Complete the sentences with the words from the box.
altitude mission rinseless habitable astronauts weightless astronomy maintenance cosmonautics microgravity |
11. The plane is now flying at an ……………………of 30,000 feet.
12. When ……………………go to space, they float due to the lack of gravity.
13. The astronauts became ……………………on going into orbit round the earth.
14. After the Earth, Mars is the most ……………………planet in our solar system.
15. NASA intends to land its first manned ……………………on Mars in 10 years’ time.
16. ……………………is a natural science that studies celestial objects and phenomena.
17. The space station requires routine ……………………and safety checks on most days.
18. ……………………is the condition in which people or objects appear to be weightless.
19. Astronauts wash their hair with a ……………………shampoo so they don’t need to get their hair wet.
20. The Museum of ……………………in Moscow collects, stores and displays items of space exploration.
