Across
- 2. A measurement for temperature.
- 7. What is measured hotness or coldness?
- 9. Light from an object moving towards us
- 12. An era began right after the Radiation Era around 3000 years after the big bang began.
- 13. What is the distance light travels in one year?
- 15. What is a pair of equal and oppositely charged or magnetized poles separated by a distance?
Down
- 1. Light from an object moving away from us
- 3. What kind of matter is composed of particles that do not absorb, reflect, or emit light?
- 4. A system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.
- 5. What is the ongoing and continuous events that occur in succession?
- 6. One of the largest most versatile space telescopes.
- 8. A theory on how the universe came to be.
- 10. A displacement of the apparent position
- 11. A region of space with a pull so strong nothing can escape it.
- 14. What is an area of empty space?