Across
- 3. What do you call scientists that study space and space travel?
- 5. When a star collapses on itself, what does it become?
- 7. What planet is considered the sideways planet?
- 8. Neptune’s atmosphere is made up of hydrogen, helium and ___. ___ creates most of the blue color on Neptune.
Down
- 1. Which dwarf planet was originally considered a planet?
- 2. What supercluster is the Milky way galaxy?
- 4. What is the name of the rover that landed on Mars 2021?
- 6. which planet is named after the roman king of gods?