9.5 - 9.6 Homework

What type of Galaxy has arms of gas and dust

• Elliptical Galaxy

• Spiral Galaxy

• Lenticular Galaxy

• Irregular Galaxy

Which astornomer did the first study on the Milky Way Galaxy?

• John S. Plaskett

• Michael Faraday

• Nicolaus Copernicus

• James Colehopper

What is a nebula

• A type of spiral galaxy

• A type of star

• A huge mass of gas and dust

• A type of Quasar

What galaxy cluster is the Milky Way part of?

• 3A-7MRY

• Andromeda cluster

• The Globular cluster

• The local group

Which of the following is NOT a characteristic of a Globular star cluster

• Cylinder shape

• Very old stars

• Ranges from thousands to millions of stars

• Bound together by gravity because they originated from the same nebula

Quasars are (select 2):

• A type of nebula that creates galaxies

• The most powerful energy producers in the universe

• Primitive stars from the formation of the universe

• Galaxies with a supermassive black hole in the middle

The 2 types of star clusters are: Globular Clusters and (type your answer in all lowercase letters)

What is some evidence that proves that the solar nebula theory is correct? (select all that apply)

• Explains why the sun and the planets all orbit the same plane and in the same direction

• Explains why the rocky planets are close to the sun and the gas giants are further away.

• We can observe this happening through telescopes and computer simulations

• The solar nebula theory is widely unpopular and thought to be untrue