http://gkmcq4xams.wordpress.com/2011/04/07/census-of-india-2011/
Saturday, June 9, 2012
Tuesday, November 23, 2010
UNICEF AWAZ DO ....
The National award winning actress is backing the Awaaz Do campaign, voicing her support for the movement in a video message encouraging people to sign up on the campaign website.
"School was the best time of my life, I loved school. Every time I see kids going to school, it brings back such amazing memories of my own time," Priyanka says.
"Education can change lives. That's why I'm raising my voice for the 8 million children who are out of school... We've tried silence. It's now time to speak up for every child's right to be educated," she adds.
The Awaaz Do campaign was launched nationwide last month to raise awareness of the fact that eight million children in India, aged six to 14, still do not go to school.
Since the launch, more than sixteen thousand Indians have lent their voices to the cause, pledging their support for the right to education and joining movement by signing up on the campaign website or by sending a text message.
The Awaaz Do campaign uses online and mobile communications technologies to mobilise and empower people to become actively engaged in discussions and debates.
Read more at: http://movies.ndtv.com/movie_story.aspx?ID=ENTEN20100159700&keyword=bollywood&subcatg=MOVIESINDIA&cp
Monday, September 13, 2010
ANTIMATTER...............
In particle physics, antimatter is the extension of the concept of the antiparticle to matter, where antimatter is composed of antiparticles in the same way that normal matter is composed of particles. For example, a positron (the antiparticle of the electron) and an antiproton can form an antihydrogen atom in the same way that an electron and a proton form a normal matter hydrogen atom. Furthermore, mixing matter and antimatter can lead to the annihilation of both in the same way that mixing antiparticles and particles does, thus giving rise to high-energy photons (gamma rays) or other particle–antiparticle pairs.
There is considerable speculation as to why the observable universe is apparently almost entirely matter, whether there exist other places that are almost entirely antimatter instead, and what might be possible if antimatter could be harnessed. At this time, the apparent asymmetry of matter and antimatter in the visible universe is one of the greatest unsolved problems in physics. The process by which this asymmetry between particles and antiparticles developed is called baryogenesis
There is considerable speculation as to why the observable universe is apparently almost entirely matter, whether there exist other places that are almost entirely antimatter instead, and what might be possible if antimatter could be harnessed. At this time, the apparent asymmetry of matter and antimatter in the visible universe is one of the greatest unsolved problems in physics. The process by which this asymmetry between particles and antiparticles developed is called baryogenesis
THEORY OF DARK ENERGY
Dark energy
Main article: Dark energy
Measurements of the redshift–magnitude relation for type Ia supernovae indicate that the expansion of the Universe has been accelerating since the Universe was about half its present age. To explain this acceleration, general relativity requires that much of the energy in the Universe consists of a component with large negative pressure, dubbed "dark energy". Dark energy is indicated by several other lines of evidence. Measurements of the cosmic microwave background indicate that the Universe is very nearly spatially flat, and therefore according to general relativity the Universe must have almost exactly the critical density of mass/energy. But the mass density of the Universe can be measured from its gravitational clustering, and is found to have only about 30% of the critical density.[20] Since dark energy does not cluster in the usual way it is the best explanation for the "missing" energy density. Dark energy is also required by two geometrical measures of the overall curvature of the Universe, one using the frequency of gravitational lenses, and the other using the characteristic pattern of the large-scale structure as a cosmic ruler.
Negative pressure is a property of vacuum energy, but the exact nature of dark energy remains one of the great mysteries of the Big Bang. Possible candidates include a cosmological constant and quintessence. Results from the WMAP team in 2008, which combined data from the CMB and other sources, indicate that the Universe today is 72% dark energy, 23% dark matter, 4.6% regular matter and less than 1% neutrinos.[32] The energy density in matter decreases with the expansion of the Universe, but the dark energy density remains constant (or nearly so) as the Universe expands. Therefore matter made up a larger fraction of the total energy of the Universe in the past than it does today, but its fractional contribution will fall in the far future as dark energy becomes even more dominant.
In the ΛCDM, the best current model of the Big Bang, dark energy is explained by the presence of a cosmological constant in the general theory of relativity. However, the size of the constant that properly explains dark energy is surprisingly small relative to naive estimates based on ideas about quantum gravity. Distinguishing between the cosmological constant and other explanations of dark energy is an active area of current research.
Main article: Dark energy
Measurements of the redshift–magnitude relation for type Ia supernovae indicate that the expansion of the Universe has been accelerating since the Universe was about half its present age. To explain this acceleration, general relativity requires that much of the energy in the Universe consists of a component with large negative pressure, dubbed "dark energy". Dark energy is indicated by several other lines of evidence. Measurements of the cosmic microwave background indicate that the Universe is very nearly spatially flat, and therefore according to general relativity the Universe must have almost exactly the critical density of mass/energy. But the mass density of the Universe can be measured from its gravitational clustering, and is found to have only about 30% of the critical density.[20] Since dark energy does not cluster in the usual way it is the best explanation for the "missing" energy density. Dark energy is also required by two geometrical measures of the overall curvature of the Universe, one using the frequency of gravitational lenses, and the other using the characteristic pattern of the large-scale structure as a cosmic ruler.
Negative pressure is a property of vacuum energy, but the exact nature of dark energy remains one of the great mysteries of the Big Bang. Possible candidates include a cosmological constant and quintessence. Results from the WMAP team in 2008, which combined data from the CMB and other sources, indicate that the Universe today is 72% dark energy, 23% dark matter, 4.6% regular matter and less than 1% neutrinos.[32] The energy density in matter decreases with the expansion of the Universe, but the dark energy density remains constant (or nearly so) as the Universe expands. Therefore matter made up a larger fraction of the total energy of the Universe in the past than it does today, but its fractional contribution will fall in the far future as dark energy becomes even more dominant.
In the ΛCDM, the best current model of the Big Bang, dark energy is explained by the presence of a cosmological constant in the general theory of relativity. However, the size of the constant that properly explains dark energy is surprisingly small relative to naive estimates based on ideas about quantum gravity. Distinguishing between the cosmological constant and other explanations of dark energy is an active area of current research.
Thursday, September 2, 2010
TIME TRAVEL
Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space, either sending objects (or in some cases just information) backwards in time to some moment before the present, or sending objects forward from the present to the future without the need to experience the intervening period (at least not at the normal rate).
Although time travel has been a common plot device in fiction since the 19th century, and one-way travel into the future is arguably possible given the phenomenon of time dilation based on velocity in the theory of special relativity (exemplified by the twin paradox), as well as gravitational time dilation in the theory of general relativity, it is currently unknown whether the laws of physics would allow backwards time travel.
Any technological device, whether fictional or hypothetical, that is used to achieve time travel is commonly known as a time machine.
Some interpretations of time travel also suggest that an attempt to travel backwards in time might take one to a parallel universe whose history would begin to diverge from the traveler's original history after the moment the traveler arrived in the past.[1]
TIME TRAVEL USING WORMHOLES....
Wormholes are a hypothetical warped spacetime which are also permitted by the Einstein field equations of general relativity,[26] although it would be impossible to travel through a wormhole unless it was what is known as a traversable wormhole.
A proposed time-travel machine using a traversable wormhole would (hypothetically) work in the following way: One end of the wormhole is accelerated to some significant fraction of the speed of light, perhaps with some advanced propulsion system, and then brought back to the point of origin. Alternatively, another way is to take one entrance of the wormhole and move it to within the gravitational field of an object that has higher gravity than the other entrance, and then return it to a position near the other entrance. For both of these methods, time dilation causes the end of the wormhole that has been moved to have aged less than the stationary end, as seen by an external observer; however, time connects differently through the wormhole than outside it, so that synchronized clocks at either end of the wormhole will always remain synchronized as seen by an observer passing through the wormhole, no matter how the two ends move around.[27] This means that an observer entering the accelerated end would exit the stationary end when the stationary end was the same age that the accelerated end had been at the moment before entry; for example, if prior to entering the wormhole the observer noted that a clock at the accelerated end read a date of 2007 while a clock at the stationary end read 2012, then the observer would exit the stationary end when its clock also read 2007, a trip backwards in time as seen by other observers outside. One significant limitation of such a time machine is that it is only possible to go as far back in time as the initial creation of the machine;[28] in essence, it is more of a path through time than it is a device that itself moves through time, and it would not allow the technology itself to be moved backwards in time. This could provide an alternative explanation for Hawking's observation: a time machine will be built someday, but has not yet been built, so the tourists from the future cannot reach this far back in time.
According to current theories on the nature of wormholes, construction of a traversable wormhole would require the existence of a substance with negative energy (often referred to as "exotic matter") . More technically, the wormhole spacetime requires a distribution of energy that violates various energy conditions, such as the null energy condition along with the weak, strong, and dominant energy conditions.[29] However, it is known that quantum effects can lead to small measurable violations of the null energy condition,[29] and many physicists believe that the required negative energy may actually be possible due to the Casimir effect in quantum physics.[30] Although early calculations suggested a very large amount of negative energy would be required, later calculations showed that the amount of negative energy can be made arbitrarily small.[31]
In 1993, Matt Visser argued that the two mouths of a wormhole with such an induced clock difference could not be brought together without inducing quantum field and gravitational effects that would either make the wormhole collapse or the two mouths repel each other.[32] Because of this, the two mouths could not be brought close enough for causality violation to take place. However, in a 1997 paper, Visser hypothesized that a complex "Roman ring" (named after Tom Roman) configuration of an N number of wormholes arranged in a symmetric polygon could still act as a time machine, although he concludes that this is more likely a flaw in classical quantum gravity theory rather than proof that causality violation is possible.[33
Sunday, August 22, 2010
Cosmic rays may broadly be divided into two categories, primary and secondary. The cosmic rays that arise in extrasolar astrophysical sources are primary cosmic rays; these primary cosmic rays can interact with interstellar matter to create secondary cosmic rays. The sun also emits low energy cosmic rays associated with solar flares. The exact composition of primary cosmic rays, outside the Earth's atmosphere, is dependent on which part of the energy spectrum is observed. However, in general, almost 90% of all the incoming cosmic rays are protons, about 9% are helium nuclei (alpha particles) and nearly 1% are electrons. The ratio of hydrogen to helium nuclei (28% helium by mass) is about the same as the primordial elemental abundance ratio of these elements (24% by mass He) in the universe.
The remaining fraction is made up of the other heavier nuclei which are abundant end products of stars' nuclear synthesis. Secondary cosmic rays consist of the other nuclei which are not abundant nuclear synthesis end products, or products of the Big Bang, primarily lithium, beryllium, and boron. These light nuclei appear in cosmic rays in much greater abundance (about 1:100 particles) than in solar atmospheres, where their abundance is about 10−7 that of helium.
This abundance difference is a result of the way secondary cosmic rays are formed. When the heavy nuclei components of primary cosmic rays, namely the carbon and oxygen nuclei, collide with interstellar matter, they break up into lighter nuclei (in a process termed cosmic ray spallation) - lithium, beryllium and boron. It is found that the energy spectra of Li, Be and B fall off somewhat more steeply than those of carbon or oxygen, indicating that less cosmic ray spallation occurs for the higher energy nuclei presumably due to their escape from the galactic magnetic field. Spallation is also responsible for the abundances of scandium, titanium, vanadium, and manganese ions in cosmic rays, which are produced by collisions of iron and nickel nuclei with interstellar matter. (See environmental radioactivity#Natural).
In the past, it was believed that the cosmic ray flux has remained fairly constant over time. Recent research has, however, produced evidence for 1.5 to 2-fold millennium-timescale changes in the cosmic ray flux in the past forty thousand years.[3]
Friday, August 6, 2010
WORLD'S LARGEST MACHINES
1. Liebherr T 282B: Largest Earth-hauling Truck in the World
This monster machine Liebherr T 282B is a large earth-hauling dump truck designed in 2004 by a German manufacturer and became the largest earth-hauling truck in the world. The top level model is driven by a 10.5 ton, 90 liter diesel engine, producing 3650 horsepower (2700 kW).
Features
Weight: empty - 203 tons; maximum capacity - 365 tons; maximum operating weight - 592 tons
Length: 14.5 m long
Height: 7.4 m tall
Wheelbase: 6.6 m
Top Speed: 40 mph or 65 kph
Costs: US$3.5 M
2. Bagger 288: World's Largest Digging Machine
This machine is the largest digging machine in the world. The bucket-wheeler excavator named Bagger 288 (Excavator 288) is built by the German company Krupp. More specifically, it is a mobile strip mining machine. It is the largest tracked vehicle in the world at 13,500 tons. However, Bagger is powered from an external source and is more correctly described as a mining machine which can be moved, while the crawler-transporter was built as a self-powered, load-carrying vehicle.
Features
Height: 95 m tall
Length: 215 m long
Weight: 13,500 tons
3. Crawler-Transporter: 2nd Largest Tracked Vehicle in the World
The Crawler-Transporter is a tracked vehicle used to transport the Saturn V rocket, the Saturn IB rocket during Skylab and Apollo Soyuz, and now the Space Shuttle. It was designed by Bucyrus International and built by the Marion Power Shovel Co. at a cost of US$ 14 million each. When they were built, they were the largest in the world. The German Bagger 288 excavator is now the largest tracked vehicle in the world.
Features
Height: 20 ft or 6.1 m to 26 ft or 7.9 m
Length: 131 ft or 40 m
Width: 114 ft or 35 m
Weight: 2400 tons 2,700 short tons or 2,400,000 kg; 5,400,000 lb
4. TAKRAF RB293: Largest Terrestrial Vehicle in Human History
Like the Bagger 288, the TAKRAF RB293 is a giant bucket-wheel excavator made by the German industrial company TAKRAF. It holds the record for the largest terrestrial vehicle in human history. It is used in Australia for removing over-burden from a brown coal mine in Victoria. It is also recognized as the largest and heaviest land vehicle.
Features
Height: over 94.5 meters or 310 feet tall
Length: over 220 meters or 722 feet long,
Weight: over 14,196 tons or 31.3 million lbs
Operation: requires five people to operate.
Others: The bucket-wheel itself is over 70 feet in diameter with 20 buckets, each of which can hold over 15 cubic meters
of material.It can move 240,000 cubic meters or 8.475 million cubic feet of earth per day.
5. Overburden Conveyor Bridge F60: World's Largest Machine That Can Move
This is the world's largest machine that can move. It was shut down after 13 months of operation due to energy and political reasons. The cutting height is 60 meters, hence the name F60. With a length of 502 meters, it is described as the "lying Eiffel Tower". F60 is the series designation of five overburden conveyor bridges used in brown coal (lignite) opencast mining in Germany. They are the largest movable technical industrial machines in the world.
Features
Length: 502 m long
Width: 240 m wide
Height: 80 m tall
Weight: 13,600 metric tons
6. Large Hadron Collider: World's Largest and Highest-energy Particle Accelerator
This is the largest machine in the world with a length of 27 km the Large Hadron Collider (LHC). It is the largest and highest-energy particle accelerator in the world intended to collide opposing particle beams. It was built by the European Organization for Nuclear Research (CERN) for testing various predictions of high-energy physics. It lies beneath the Franco-Swiss border near Geneva, Switzerland. It is funded by and built in collaboration with over 10,000 scientist and engineers from over 100 countries as well as hundreds of universities and laboratories.
Features
Length: 27 km or 17 mi
Circumference: 175 m or 570 ft
Built & Funded: 10,000 scientists and engineers from 100 countries
B. World's largest machine on land, ice and water...
7. BHC SR-N4 Mk-3: World's Largest Non-military Hovercraft
This mammoth machine is the world's largest hover to date. BHC SR-N4, as shown above, is the world's largest non-military hovercraft, carrying 418 passengers and 60 cars. A hovercraft, or air-cushion vehicle (ACV), is a craft, designed to travel over any smooth surface supported by a cushion of slowly moving, high-pressure air, ejected downwards against the surface below, and contained within a "skirt." Hovercrafts are used throughout the world because they are unique among all forms of transportation in their ability to travel equally well over land, ice, and water.
C. World's largest machine underneath the water...
8. Typhoon: World's Largest Submarine Class Ever Built
This machine is the largest submarine class in the world ever built. It is a ballistic missile carrying, nuclear-powered submarine (SSBN). This large machine was deployed by the Soviet navy in the 1980s. With a maximum displacement of 26,000 tons, Typhoons are the largest class of submarine ever built. In its day it was one of the most feared weapons of mass destruction ever made. Technically, it is capable to successfully deploy long-range nuclear weapons. The cost of operations for the Typhoon submarines was so high that the Russian Navy retired all but one of them.
D. World's largest machines on the water...
9. Emma Maersk: World's Longest Container Ship Ever Built
This huge vessel is the longest container ship ever built in the world and as of 2008 - it is the longest ship in use. It is able to carry around 11,000 twenty-foot equivalent units (TEU) which is about 1,400 more containers than any other ship is capable of carrying.
10. Knock Nevi's: World's Largest Ship Ever Constructed
This machine is the largest supertanker. It is also the largest machine that can move long distance. The Knock Nevis is a floating storage and offloading unit (FSO) owned by the Fred Olsen Production of Norway. It was previously a supertanker and as such held the record for the world's largest ship. The vessel is longer than the Petronas Twin Towers, one of the world's tallest buildings, at 452 meters or 1,480 ft.
Features
Length: 458.45 m or 1,504 ft long
Width: 69 m wide
Height: 30 m tall
Weight: 564,763 tons
E. And the world's largest machines in the air...
11. Airbus A380: World's Largest Passenger Jet
This is the world's longest passenger aircraft that first flew in 1991- the Airbus A380, the largest passenger jet in the world. It entered commercial service in 2007. The aircraft was known as the Airbus A3XX during much of its development phase, but the nickname Superjumbo has since become associated with it. It provides seating for 525 people in standard three-class configuration or up to 853 people in all economy class configurations.
12. Antonov An 225: World's Largest and Heaviest Aircraft Ever Built
This is the largest and heaviest aircraft in the world - the An225 Mriya. As shown on the picture above, space shuttle Buran is being carried by the An-225. It first flew in 1988. It is a strategic airlift transport aircraft and is the largest airplane ever built. Currently there is only one aircraft operating but a second mothballed airframe is being reconditioned and is scheduled for completion around 2010.
Features
Payload: 250,000 kg (550,000 lb)
Door dimensions: 440 x 640 cm (14.4 x 21.0 ft)
Length: 84 m (275.6 ft)
Wingspan: 88.40 m (290 ft 2 in)
Height: 18.1 m (59.3 ft)
Wing area: 905.0 m² (9,743.7 ft²)
Cargo Volume: 1300 m³ (45913.8 ft³)
Empty weight: 175,000 kg (385,800 lb)
Max takeoff weight: 600,000 kg (1,323,000 lb)
Takeoff run: 3,500 m (11,500 ft) with maximum payload
Maximum speed: 850 km/h (460 knots, 530 mph)
Cruised speed: 800 km/h (430 knots, 500 mph)
This monster machine Liebherr T 282B is a large earth-hauling dump truck designed in 2004 by a German manufacturer and became the largest earth-hauling truck in the world. The top level model is driven by a 10.5 ton, 90 liter diesel engine, producing 3650 horsepower (2700 kW).
Features
Weight: empty - 203 tons; maximum capacity - 365 tons; maximum operating weight - 592 tons
Length: 14.5 m long
Height: 7.4 m tall
Wheelbase: 6.6 m
Top Speed: 40 mph or 65 kph
Costs: US$3.5 M
2. Bagger 288: World's Largest Digging Machine
This machine is the largest digging machine in the world. The bucket-wheeler excavator named Bagger 288 (Excavator 288) is built by the German company Krupp. More specifically, it is a mobile strip mining machine. It is the largest tracked vehicle in the world at 13,500 tons. However, Bagger is powered from an external source and is more correctly described as a mining machine which can be moved, while the crawler-transporter was built as a self-powered, load-carrying vehicle.
Features
Height: 95 m tall
Length: 215 m long
Weight: 13,500 tons
3. Crawler-Transporter: 2nd Largest Tracked Vehicle in the World
The Crawler-Transporter is a tracked vehicle used to transport the Saturn V rocket, the Saturn IB rocket during Skylab and Apollo Soyuz, and now the Space Shuttle. It was designed by Bucyrus International and built by the Marion Power Shovel Co. at a cost of US$ 14 million each. When they were built, they were the largest in the world. The German Bagger 288 excavator is now the largest tracked vehicle in the world.
Features
Height: 20 ft or 6.1 m to 26 ft or 7.9 m
Length: 131 ft or 40 m
Width: 114 ft or 35 m
Weight: 2400 tons 2,700 short tons or 2,400,000 kg; 5,400,000 lb
4. TAKRAF RB293: Largest Terrestrial Vehicle in Human History
Like the Bagger 288, the TAKRAF RB293 is a giant bucket-wheel excavator made by the German industrial company TAKRAF. It holds the record for the largest terrestrial vehicle in human history. It is used in Australia for removing over-burden from a brown coal mine in Victoria. It is also recognized as the largest and heaviest land vehicle.
Features
Height: over 94.5 meters or 310 feet tall
Length: over 220 meters or 722 feet long,
Weight: over 14,196 tons or 31.3 million lbs
Operation: requires five people to operate.
Others: The bucket-wheel itself is over 70 feet in diameter with 20 buckets, each of which can hold over 15 cubic meters
of material.It can move 240,000 cubic meters or 8.475 million cubic feet of earth per day.
5. Overburden Conveyor Bridge F60: World's Largest Machine That Can Move
This is the world's largest machine that can move. It was shut down after 13 months of operation due to energy and political reasons. The cutting height is 60 meters, hence the name F60. With a length of 502 meters, it is described as the "lying Eiffel Tower". F60 is the series designation of five overburden conveyor bridges used in brown coal (lignite) opencast mining in Germany. They are the largest movable technical industrial machines in the world.
Features
Length: 502 m long
Width: 240 m wide
Height: 80 m tall
Weight: 13,600 metric tons
6. Large Hadron Collider: World's Largest and Highest-energy Particle Accelerator
This is the largest machine in the world with a length of 27 km the Large Hadron Collider (LHC). It is the largest and highest-energy particle accelerator in the world intended to collide opposing particle beams. It was built by the European Organization for Nuclear Research (CERN) for testing various predictions of high-energy physics. It lies beneath the Franco-Swiss border near Geneva, Switzerland. It is funded by and built in collaboration with over 10,000 scientist and engineers from over 100 countries as well as hundreds of universities and laboratories.
Features
Length: 27 km or 17 mi
Circumference: 175 m or 570 ft
Built & Funded: 10,000 scientists and engineers from 100 countries
B. World's largest machine on land, ice and water...
7. BHC SR-N4 Mk-3: World's Largest Non-military Hovercraft
This mammoth machine is the world's largest hover to date. BHC SR-N4, as shown above, is the world's largest non-military hovercraft, carrying 418 passengers and 60 cars. A hovercraft, or air-cushion vehicle (ACV), is a craft, designed to travel over any smooth surface supported by a cushion of slowly moving, high-pressure air, ejected downwards against the surface below, and contained within a "skirt." Hovercrafts are used throughout the world because they are unique among all forms of transportation in their ability to travel equally well over land, ice, and water.
C. World's largest machine underneath the water...
8. Typhoon: World's Largest Submarine Class Ever Built
This machine is the largest submarine class in the world ever built. It is a ballistic missile carrying, nuclear-powered submarine (SSBN). This large machine was deployed by the Soviet navy in the 1980s. With a maximum displacement of 26,000 tons, Typhoons are the largest class of submarine ever built. In its day it was one of the most feared weapons of mass destruction ever made. Technically, it is capable to successfully deploy long-range nuclear weapons. The cost of operations for the Typhoon submarines was so high that the Russian Navy retired all but one of them.
D. World's largest machines on the water...
9. Emma Maersk: World's Longest Container Ship Ever Built
This huge vessel is the longest container ship ever built in the world and as of 2008 - it is the longest ship in use. It is able to carry around 11,000 twenty-foot equivalent units (TEU) which is about 1,400 more containers than any other ship is capable of carrying.
10. Knock Nevi's: World's Largest Ship Ever Constructed
This machine is the largest supertanker. It is also the largest machine that can move long distance. The Knock Nevis is a floating storage and offloading unit (FSO) owned by the Fred Olsen Production of Norway. It was previously a supertanker and as such held the record for the world's largest ship. The vessel is longer than the Petronas Twin Towers, one of the world's tallest buildings, at 452 meters or 1,480 ft.
Features
Length: 458.45 m or 1,504 ft long
Width: 69 m wide
Height: 30 m tall
Weight: 564,763 tons
E. And the world's largest machines in the air...
11. Airbus A380: World's Largest Passenger Jet
This is the world's longest passenger aircraft that first flew in 1991- the Airbus A380, the largest passenger jet in the world. It entered commercial service in 2007. The aircraft was known as the Airbus A3XX during much of its development phase, but the nickname Superjumbo has since become associated with it. It provides seating for 525 people in standard three-class configuration or up to 853 people in all economy class configurations.
12. Antonov An 225: World's Largest and Heaviest Aircraft Ever Built
This is the largest and heaviest aircraft in the world - the An225 Mriya. As shown on the picture above, space shuttle Buran is being carried by the An-225. It first flew in 1988. It is a strategic airlift transport aircraft and is the largest airplane ever built. Currently there is only one aircraft operating but a second mothballed airframe is being reconditioned and is scheduled for completion around 2010.
Features
Payload: 250,000 kg (550,000 lb)
Door dimensions: 440 x 640 cm (14.4 x 21.0 ft)
Length: 84 m (275.6 ft)
Wingspan: 88.40 m (290 ft 2 in)
Height: 18.1 m (59.3 ft)
Wing area: 905.0 m² (9,743.7 ft²)
Cargo Volume: 1300 m³ (45913.8 ft³)
Empty weight: 175,000 kg (385,800 lb)
Max takeoff weight: 600,000 kg (1,323,000 lb)
Takeoff run: 3,500 m (11,500 ft) with maximum payload
Maximum speed: 850 km/h (460 knots, 530 mph)
Cruised speed: 800 km/h (430 knots, 500 mph)
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