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Which is the classification given to a galaxy with a large nuclear bulge, and tightly wound arms starting from a bar through the nuclear bulge?    By ESO – http://www.eso.org/public/images/potw1204a/, CC BY 3.0,

Which of the following is not a type of galaxy classification?

What type of star is our Sun? (Use the catagory we discussed in class to answer this question)

The single most important physical characteristic in determining the amount of time that a given star spends on the Main sequence is

During star formation, the dense parts of the molecular cloud that collect material while contracting and heating up are known as

A star’s lifetime, luminosity, and eventual fate is determined by

The chromosphere of the sun has a distinctive red/pink color. Emission nebulae also have thisdistinctive color. What is the source of this red/pink appearance?     

What would happen to the Earth if the sun suddenly became a black hole? (ignore the temperature change)

Which of the following would be considered a Reflection Nebula?

The absolute magnitude of a star is defined to be the apparent magnitude that the star would have if it were at a standard distance of _____ parsec(s).