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    Answer 5 out of 6 questions correctly.

"NASA's SDO Sees Sun Emit Mid-Level Flare Oct. 1" by SDO, NASA / Public Domain
The Sun
The Sun is the center of our solar system. Earth and seven other planets orbit the Sun.
The Sun is a ball of hot gas that gives off light energy. Without the Sun, there would be no life on Earth.
When viewed from Earth, the Sun looks like a bright ball in the sky. But what exactly is the Sun?
Use these definitions to help answer this question.
  • A star is an enormous ball of hot gas in space that gives off energy.
  • A planet is a large round object that orbits a star.
  • A moon is an object that orbits a planet.
What type of object is the Sun?
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