Introduction to Space: Planets, Asteroids, Gravity and More!

What is the main reason why stars twinkle in the night sky?

• Stars twinkle because they are very far away.

• Stars twinkle because they are constantly changing their brightness.

• Stars twinkle because the light from them is bent and swayed by Earth's atmosphere.

• Stars twinkle because they are actually small balls of gas that are constantly exploding.

What are the two main factors that determine the strength of gravity between two objects?

• The size and shape of the objects.

• The mass of the objects and the distance between them.

• The color and temperature of the objects.

• The speed at which the objects are moving.

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What is the name of the largest planet in our solar system?

• Jupiter

• Saturn

• Mars

• Venus

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What is the name of the space probe that sent back the first close-up pictures of Jupiter?

• Hubble Telescope

• James Webb Space Telescope

• Curiosity Rover

• Voyager

What is the name of the force that keeps the Earth in orbit around the Sun?

• Magnetism

• Friction

• Gravity

• Wind

  
  

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What is the name of the type of tide that occurs when the Sun, Earth, and moon are aligned?

• Neap tide

• Spring tide

• High tide

• Low tide

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What is the name of the robotic explorer that has been trundling around on the surface of Mars for years?

• Voyager

• Hubble Telescope

• James Webb Space Telescope

• Curiosity Rover

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What is the name of the planet that is often called Earth's twin?

• Venus

• Mars

• Mercury

• Jupiter

What is the name of the icy body that comes from the outer parts of the solar system and leaves a trail of gas and dust when it gets close to the Sun?

• Asteroid

• Meteoroid

• Planet

• Comet

What is the name of the type of tide that occurs when the Sun, Earth, and moon form a right angle?

• Spring tide

• Neap tide

• High tide

• 
  Low tide