The planet that rotates on its axis in nearly the same period as the Earth is:

The predominant gas in the atmospheres of Jovian planets is

List the Eras of the Big Bang Theory in chronological order. ____ era ____ era ____ era ____ era ____ era ____ era ____ era ____ era

What is the observed temperature of the Cosmic Microwave Background (CMB)?

The letters G U T  from the GUT Era stand for Grand Unified Theory. This theory explains how 3 of the fundamental forces are indistinguishable. Which three forces does it describe?

Which point on the Hertzprung-Russell diagram represents the main sequence star with the longest lifetime?

Below you will find 5 numbered images. Match the image number with the correct galaxy classification. 1–     2– 3–     4– 5–

Examine the spectra of four galaxies compared to the laboratory spectrum.  According to the Hubble Law, which galaxy is most distant? 

Below you will find 5 numbered images. Match the image number with the correct galaxy classification. 1–     2– 3–     4– 5–

Put the 8 planets in order from the closest to the sun to farthest. (not all choices will be used)