Earth Space Review

Which term best describes the image shown?

• constellation

• solar system

• planet

• galaxy

Which planet most likely has more moons than the others?

• Saturn

• Mercury

• Mars

• Venus

What type of galaxy is the Milky Way?

• irregular galaxy

• elliptical galaxy

• barred spiral galazy

• spiral galaxy

How are the outer planets alike?

• They have rings.

• They have few or no moons.

• They are made of rock.

• They are closer to the Sun.

___________ are large, round objects that orbit a star.

• Moons

• Galaxies

• Planets

• Meteors

Which two planets do not have moons?

• Mercury

• Venus

• Earth

• Mars

_______________ are mixtures of frozen gases, ice, dust, and rock that orbit the sun.

• asteroids

• meteors

• comets

• meteoroids

Which galaxy looks most like the Milky Way?

• 
• 
• 
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Why does the Sun appear brighter than the other stars in the sky?

• The Sun is larger than other stars.

• The Sun is closer than other stars.

• The Sun is hotter than other stars.

• The Sun is further away than other stars.

Which planet is closet to the Sun?

• Jupiter

• Mars

• Venus

• Mercury