Across
- 1. phenomenon that's gravitational pull goes faster than light.
- 4. Miniature planets like pluto that are small for their size.
- 7. The space that contains multiple different solar systems and planets and stars.
- 8. The polar opposite of matter and when reacted to matter it deletes the matter.
- 9. Extremely big planets full of gas.
- 12. Caused when a star starts to die of old age.
- 16. The space that is infinetly extending and that is the space that everything as we know it,resides in.
- 17. A part of the space heirachy which includes a bunch of different galaxies inside it.
Down
- 2. Is the only way for a black hole to die caused by the reaction of a positive particle and a negative particle causing them to leave the event horizon.
- 3. The birth place of a star because of the many different gases inside it.
- 5. a miniature planet that orbits within the solar sytsem.
- 6. One of the ways that a star can die.
- 10. The galaxy that is going to merge with our's.
- 11. The source of light for this universe that are extremely hot.
- 13. The area of air and gas that envelopes the earth and other and other astronomical objects.
- 14. An icy,small Solar system body that warms and begins to release gases when close to the sun.
- 15. Caused when a star becomes too big and has too little mass for its own size.