The Universe- Part 2

2. – A protective suit astronauts wear to survive outside a spacecraft.
5. – When a spacecraft safely returns to the ground or another planet.
6. – A group of stars that make a pattern in the night sky.
8. – The numbers counted backward before a rocket launches.
9. – A special theater where people can learn about stars and planets on a big dome screen.
11. – A vehicle designed to travel in space.
13. – A robot vehicle that explores the surface of a planet or moon.
14. – When a rocket or spacecraft lifts off from the ground and goes into space.
16. – A circle of ice, dust, and rocks that goes around some planets.
17. – The small part of a spacecraft where astronauts sit during a mission.
20. – A large round hole on the surface of a planet or moon, usually made by an impact.
21. – Tiny particles of rock or material that can be found on planets or floating in space.
22. – A form of matter that spreads out and has no fixed shape, often found in space clouds.

1. – The science of studying stars, planets, and the universe.
2. – A spacecraft designed to travel to space and come back to Earth many times.
3. suit – Special clothing that protects astronauts in space.
4. – A planned trip or task in space, like exploring a planet.
7. – The line where the sky seems to meet the ground or surface of a planet.
10. – Frozen water or other frozen substances that can exist on planets, moons, and comets.
11. system – The Sun and all the planets, moons, and other objects that move around it.
12. center – The place on Earth where scientists and engineers guide space missions.
15. – A place with no air, like most of space.
18. – Tiny particles from stars that spread through space.
19. – A huge cloud of gas and dust in space where stars can form.