OCHS universe Group 3

4 Written Questions

1. The direct variation of the speed at which a galaxy is moving away from Earth with its distance from Earth.
2. A galaxy with a disorganized appearance.
3. The distance that light travels in a vacuum in a year, about 9.5 trillion kilometers.
4. A galaxy like the Milky Way with a bulge of stars at the center and arms extending outward like a pinwheel.

3 Multiple Choice Questions

1. A group of stars that appears to form a pattern as seen from Earth.
   1. Light Year
   2. Constellation
   3. Red Shift
   4. Galaxy
2. A group of hundreds or thousands of stars traveling together through space.
   1. Light Year
   2. Star Cluster
   3. Galaxy
   4. Red Shift
3. A huge group of stars, star systems, star clusters, dust, and gas bound together by gravity.
   1. Galaxy
   2. Spiral Galaxy
   3. Red Shift
   4. Light Year

3 True/False Questions

1. Cosmic Background Radiation → A group of stars that appears to form a pattern as seen from Earth.

   True        False

2. Red Shift → A shift toward the red wavelengths of light from stars or galaxies moving away from Earth.

   True        False

3. Big Bang Theory → The distance that light travels in a vacuum in a year, about 9.5 trillion kilometers.

   True        False