Our Universe Quiz

Name:

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Which structure includes all matter and space that exists?

• A galaxy
• A universe

The universe is mostly:

• Empty space
• Gas and dust clouds

What is a planetary system?

• Planets that orbit a star (or stars)
• A cluster of planets

Earth and the solar system are found in:

• The Chocolate Milk Galaxy
• The Milky Way Galaxy

In order for a celestial object to be considered a planet it must:

• Orbit a star
• Have a non-spherical shape due to gravity

Which extraterrestrial object spews off gas and dust, producing a coma and tail around its icy body as it passes close to earth?

• An asteroid
• A comet

Which of the following is the most massive object in the solar system?

• The Sun
• Jupiter

Which planet is the only planet on which living things survive?

What do we mean when we say Earth is in the “Goldilocks Zone?”