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

Which of the following is true for a main sequence star that has half the mass of the Sun?

The planet that has a rotation period longer than its year is

What is the primary ingredient in the Earth’s atmosphere?

Match the number with the correct name for that part of the galaxy.

The predominant gas in the atmospheres of Jovian planets is

The asteroid belt exists between the following planets

Label the parts of the comet using the diagram.  

Astrology (not astronomy) is considered a pseudoscience because

Please match each moon to the planet it orbits. Some planets may be used more than once or maybe not at all.