galaxy vocab quiz 3

Select the picture of the galaxy that best matches the description of an irregular galaxy?

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1. What is a vast system of stars, gas, and dust held together by gravity?

• 1. Weight

• nebula

• galaxy

• black hole

What force causes objects with mass to be attracted to each other?

• Nebula

• Weight

• Newton

• Gravity

Which type of galaxy is characterized by a central bulge and spiral arms?

• Elliptical galaxy

• Irregular galaxy

• Dwarf galaxy

• Spiral galaxy

What term refers to a small, faint galaxy containing relatively few stars?

• Spiral galaxy

• Dwarf galaxy

• Elliptical galaxy

• Irregular galaxy