Astronomy Test

• Gamma Rays

• Radio Waves

• Visible Light

Which of the following shows the increasing complexity of components in our universe?

• Sun>>>Solar System>>>Galaxy>>>Universe

• Galaxy>>>>Sun>>>>Solar System>>>Universe

• Universe>>>Galaxy>>>Solar System>>>Sun

The Milky Way Galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

• Many more stars exist outside the galaxy.

• Earth is a part of this galaxy.

• The center of the galaxy consist of a dense cluster of stars

Use the H-R Diagram to answer the next two questions.

• As the temperature increases, the brightness decreases

• As the temperature increases, the brightness increases

• As the temperature decreases, the brightness remains the same

Based on this diagram, which type of stars would belong to spectral class M and have the highest luminosity?

• Giants

• White Dwarfs

• Supergiants

What causes the gas and dust cloud of a nebula to condense and become a star?

• Density

• Friction

• Gravity

• Student 1

• Student 2

• Student 3

• Student 4

What is the most probable locations of Earth?

• Location 1

• Location 2

• Location 3

• Location 4

Why does the earth get more energy from the sun than from all others stars in the Universe combined?

• The sun is much larger than the others stars?

• The sun is much hotter than the other stars.

• The sun is much closer than the other stars.

Which data table classifies the galaxies shown in the diagrams?

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