Across
- 2. a huge collection of gas dust and stars all around our solar systme
- 7. a special type of scientist that takes a Spacecraft to outer space to study things
- 8. a group of stars forming a shape
- 9. large objects made of dust and ice that orbit the sun
- 10. everything that exists, all matter and energy throughout space and time
Down
- 1. the galaxy we live in
- 3. any piece of comet meteorite or astroid that travels into earth's atmosphere
- 4. a hypocycloid with four cusps
- 5. a roundish dent left In the surface of something by the impact of something else
- 6. happens when one object in space like a planet or moon passes through the shadow of an other object in space