Across
- 2. A massive flaming ball, lots of mass, the sun is one of these.
- 4. Last name, person who discovered dark matter and couldn't speak for the majority of his life due to a medical condition.
- 6. The galaxy we live in.
- 7. The closest planet to the sun.
- 9. The closest neighboring galaxy, said to collide with ours in 4 billion years.
- 11. Device used to watch the skies in closer detail, you could point it to the moon and see the individual craters.
- 12. The largest planet in our solar system.
- 13. One of the most famous planets in the skies, you know, the rings!
Down
- 1. A massive cluster of dark matter, the remains of an extremely large star post-supernova.
- 3. Jupiter's largest moon.
- 5. One of Jupiter's moons, has a massive water ocean under its surface, may contain life.
- 8. The closest star to Earth, besides the sun.
- 10. Originally the smallest planet in our solar system, now just a dwarf planet.
- 13. The star at the center of our solar system, the big yellow ball that appears in the sky every day.