astronomy

4. There are a total of 181 of these in our solar system. Jupiter has got sixty-seven, and Earth has only got one.
5. a force that pulls something in, or toward the centre.
6. (two words) P for Pluto was at the end of our mnemonic, until 2006. Now Pluto is considered a ____________________________.
8. A very large space rock, smaller than a moon. Most in our solar system are in a belt between Mars and Jupiter.
10. A body of ice, dust, and rock, no larger than a few kilometres across. Its tails are visible from Earth.

1. the gases that surround Earth or other planets.
2. the name of our galaxy.
3. a space rock that falls into Earth’s atmosphere, does not completely burn, and part of which hits the ground.
7. (two words) Another name for the outer planets, because they’re formed from material like hydrogen, rather than rock.
9. a curved path. Earth’s ____________ around the sun takes 365 days.