Astronomy Review Part 1

Which planet is closest to the sun?

• Uranus
• Mercury
• Neptune
• Earth

Which is the second closest planet to the sun?

• Earth
• Saturn
• Venus
• Mercury

Which planet is third from the sun?

• Mars
• Pluto
• Venus
• Earth

Which is the fourth planet from the sun?

• Mars
• Saturn
• Earth
• Jupiter

Which planet is fifth from the sun?

• Saturn
• Jupiter
• Mars
• Earth

Which is the sixth planet from the sun?

• Earth
• Uranus
• Saturn
• Neptune

One of the main differences between the outer and inner planets is __________.

• The inner planets all have water

• the inner planets are much bigger than the outer planets

• the outer planets are gas planets

• the inner planets have rings, and the outer planets don't

What is the geocentric model of the universe?

• Earth is the center of the solar system
• The sun is the center of the solar system

What is the heliocentric model of the universe?

• Earth is the center of the solar system
• The sun is the center of the solar system

Which is not a rocky inner planet?

• Mercury
• Earth
• Jupiter
• Mars