Review Unit 2 Lesson 1

How do scientists get the images of nebulas and other deep space events?

• They use traditional telescopes

• They use advanced telescopes which translate data into images using a supercomputer

• They use gamma radiation from stars to tell where things are in space

• They use magic!

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The sun is made of Helium and ________

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Who was the first person to look through a telescope

• Newton

• Kant

• Galileo

• Mars

What is the collection of a star and the celestial bodies that revolve around it?

• Galaxy

• Universe

• Space

• Solar System

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Ice Giant planets are most likely to be found in the _____ ____ because of the events that occur in Laplace's theory

• Outer Belt

• Inner Belt

• Asteroid Belt

• Kuiper Belt

Which theory explains that stars come from nebulas?

• Kant/Nebular Theory

• Newtons Theory of gravitational pull

• Einstein's theory of relativity

• Newton's three laws of physics

Which is not a step in Laplace's theory of solar system formation?

• The sun gradually cooled over time.

• The sun began to shrink after it formed.

• The sun began to rotate faster after it formed.

• The sun’s mass moved toward the outer edge of it

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A nebula is most close in composition to a ____.

• Moon

• Planet

• Star

• Gas Giant

What are comets made out of?

• Mud and Dirt

• Ice and Dust

• Rock and Metal

• Light and Darkness

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Which statement correctly describes a difference in our solar system’s inner planets and outer planets due to gravitational effects?

• The inner planets are larger.

• The outer planets have more moons.

• The inner planets are more spread apart.

• The outer planets all have rocky surfaces.

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