Amazing Facts of Universe

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  • Space is completely quiet because there is no air in space – it is a vacuum. Although space is a vacuum, it does not mean that there is no sound in space.
  • Earth appears as a blue ball when viewed from space. The earth is 71 percent water, due to which it appears blue.
  • If you think that we have come to know about the happenings about space in the last few decades, then you are wrong. Let us tell you that Galileo looked in space 400 years ago with a telescope.
  • It costs $ 12 million to make a spacesuit.
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  • A speed of at least 11 kilometers (7 miles) per second is required to take the spacecraft out of the atmosphere, but why this is not yet known.
  • Sleeping in a spaceship is a very challenging task. Astronauts have to work very hard to sleep. He has to sleep in a specially made bunk blindfolded so that he can swim and avoid bumping around.
  • Astronauts cannot sprinkle salt or pepper on food due to the lack of gravity in space. And they also take food in liquid form, this is because the dry food will float in the air and can get stuck here and there as well as get into the eyes of the astronaut.
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  • Absence of gravity in space leads to weakness and it happens to every person who goes into space. It may take about 2-3 days for an astronaut to come out of this weakness.
  • If the astronauts are to be believed, the space smells like welding fumes and hot metal. Actually, this smell is due to “Polycyclic Aromatic Hydrocarbons” floating in space.
  • You cannot whistle while wearing a spacesuit. Because the air pressure in it is very less.
  • You probably won’t believe it, but NASA is inventing to develop food for astronauts via 3D printers so that astronauts can one day enjoy 3D-printed pizza in space.
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  • The first selfie in space was taken in 1966 by NASA astronaut Buzz Aldrin during a spacewalk. This space selfie was sold in an auction held in 2015 for about $ 9,200.
  • The sky appears blue from the Earth, but it appears dark black to the astronauts because the scattering of light does not take place outside the Earth’s atmosphere.
  • If a man is left in space without any security measures, then he will live only 2 minutes.
  • A fun fact is that astronauts going to space cannot fart there because there is no gravity, which can separate the liquid present in the stomach from the gas.
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  • Food and gas cannot separate inside the stomach of a person in space due to the absence of gravity.
  • Even though the Sun appears yellow from the Earth, but if you are in space or on the Moon, you see the Sun as white. Because space does not have an atmosphere to scatter sunlight.
  • You can never cry in space because your tears will never fall down due to zero gravity and they will remain as liquid droplets hanging from your eyes.
  • Due to the reduced gravity in space, the human spine becomes free from the pull on the earth. In such a situation, when an astronaut straightens his spine, his length increases by 2.25 inches.
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  • In space, even if you stand in front of someone and shout loudly, then he will not be able to hear your voice because there is no medium to convey your voice from one place to another.
  • If you go to space, instead of suffocation, you will die of body explosion because there is no air pressure.
  • If two pieces of metal touch each other in space, they are permanently joined. It is called cold welding.
  • It is said that in 1962 the US detonated a hydrogen bomb in space, it was 100 times more powerful than the bomb dropped on Hiroshima, Japan.
  • In 1985, Coca-Cola became the first soft drink to be drunk in space.
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  • In 1977, a signal of 72 seconds was received from deep space, but till now it is not known who sent this signal.
  • The size of the International Space Station (ISS) located in space is equal to the size of a football field.
  • Sunset and sunrise on our earth happen only once in a whole day. But astronauts on the International Space Station experience sunrise and sunset 15 or 16 times every day.
  • John Glenn, who traveled to space, was the world’s oldest person, he made history by doing this feat on 29 October 1998 at the age of 77.
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  • On April 23, 1967, Soviet cosmonaut Vladimir Komarov was killed during his second voyage into space, when the spacecraft crashed on his return. He was the first person in the world to die in space travel.
  • On 16 June 1963, Soviet cosmonaut Valentina Tereshkova became the first woman in the world to go into space.
  • On 10 August 2015, NASA astronauts ate food grown in space for the first time.
  • We have often read and heard a myth that the Great Wall of China is the only man-made object visible from space, but this is not true. But, China’s air pollution is definitely visible from space.
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  • You will not believe to know that there is a huge reservoir of water in the form of floating clouds in space, which is millions of times more than all the ocean water present on Earth.
  • The heart of astronauts becomes a little round after being in space for a long time.
  • Space is littered with man-made objects like parts of used rockets and inactive satellites etc. These objects orbit the Earth at a speed of about 17,500 miles per hour.
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