Astronauts can’t cry in space

Astronauts can’t cry in space

1. Sun rotation period almost 24 days.
2. A day on Pluto for 6 days and 9 hours.
3. The space station is the largest manned object ever sent into space.
4. The closest galaxy to us is the Andromeda Galaxy.
5. The first artificial satellite in space was called sputnik.
6. Sun is the largest object in our solar system.
7. Astronauts can’t burp in space.
8. As space has no gravity, normal pens won’t work.
9. You can’t cry in space because your tears not fall ever.
10. The full cost of a spacesuit is about 11 million dollar.
11. Astronauts say that space smells like hot metal, welding fumes and seared steak.
12. The astronauts use radios in communication in space.
13. In the space station most astronauts become 2 inch taller.
14. The international space station is about the size of a football field.
15. 90 % of body mass is star dust, because all of the elements are created in stars, except hydrogen and helium.
16. According to the scientist, there are around 20 trillion galaxies in our universe.
17. The solar system formed around 4.6 billion years ago.
18. The edge of solar system is 1000 times farther away from Pluto.
19. Light takes 8 minute and 20 second to travel from the Sun to earth.
20. There are more stars in the universe than grains of sand on all beaches of earth.