Cosmology Key Terms

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.

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.