Across
- 2. Light moving toward and away from us and changing color is similar to this effect of sound.
- 3. The type of diagram that shows the relationship between the velocity and distance for galaxies.
- 4. The earliest life forms on Earth.
- 6. Known as an extension of the big bang theory.
- 7. The acronym for the radiation that fills the sky due to the aftermath of the birth of the universe.
- 8. To measure distance to star clusters greater than 150 light-years away, astronomers compare this characteristic between the clusters of stars.
- 9. Way to measure the distance between us and other stars using the Earth-sun distance measurement.
- 10. Light does this as the stars in our universe move away from us.
- 11. Time as we know it officially began when this occurred.
Down
- 1. The period of time in which forces were beginning to distinguish themselves from each other.
- 2. The seeds for the growth of large-scale structure in the universe.
- 5. Moment in time in which tremendous fluctuations in energy occurred from one point to the next.
- 12. If light from a galaxy is moving toward us, it appears as this color.