Astronomy Quiz: Planets, Stars, And Universe

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| By Thames
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Thames
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Quizzes Created: 8156 | Total Attempts: 9,588,805
| Attempts: 568 | Questions: 15 | Updated: Mar 20, 2025
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1. How many planets are there in the Solar System (including Pluto)?

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About This Quiz
Astronomy Quiz: Planets, Stars, And Universe - Quiz

It’s time to answer some cool questions about Astronomy

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2. Which galaxy is believed that it might collide with the Milky Way one day?

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3. Where is the tallest mountain in our solar system?

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4. How many earth days does it take for Mercury to circle the Sun?

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5. The Astronomical Unit (AU) is a unit of measurement based on the average distance between what two bodies?

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6. If you and a friend are in space, which of these could you not do to get your friends attention?

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7. Who was the first person in space?

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8. What is a singularity?

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9. What star, next to the Sun, is nearest to Earth?

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10. How was the sun's corona discovered?

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11. Which star is known as the Dog Star?

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12. Which star cluster is known as the Seven Sisters?

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13. Which gas comprises most of Venus' atmosphere?

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14. What year was the celestial object Pluto discovered?

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15. What comet broke into fragments before crashing into Jupiter in the 1990's?

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How many planets are there in the Solar System (including Pluto)?
Which galaxy is believed that it might collide with the Milky Way one...
Where is the tallest mountain in our solar system?
How many earth days does it take for Mercury to circle the Sun?
The Astronomical Unit (AU) is a unit of measurement based on the...
If you and a friend are in space, which of these could you not do to...
Who was the first person in space?
What is a singularity?
What star, next to the Sun, is nearest to Earth?
How was the sun's corona discovered?
Which star is known as the Dog Star?
Which star cluster is known as the Seven Sisters?
Which gas comprises most of Venus' atmosphere?
What year was the celestial object Pluto discovered?
What comet broke into fragments before crashing into Jupiter in the...
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