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Astronomy & Space Quiz
Astronomy & Space Quiz
20 questions · Unlimited attempts · Free online practice
Astronomy is one of humanity's oldest sciences, exploring the universe beyond Earth - its planets, stars, galaxies, black holes, and the cosmic events that shaped existence itself....
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All 20 questions in this Astronomy & Space quiz
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Which is the smallest planet in our solar system?
- A. Mars
- B. Pluto
- C. Mercury
- D. Venus
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Which planet has a moon named Triton?
- A. Saturn
- B. Jupiter
- C. Uranus
- D. Neptune
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What is the hottest planet in the Solar System?
- A. Venus
- B. Mars
- C. Mercury
- D. Jupiter
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What is the name of the telescoepee launched in 1990?
- A. Hubble
- B. Spitzer
- C. Kepler
- D. James Webb
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What is the term for a meteor that hits Earth's surface?
- A. Asteroid
- B. Comet
- C. Meteorite
- D. Meteoroid
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What is the sun's visible surface called?
- A. Photosphere
- B. Corona
- C. Chromosphere
- D. Core
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What is the movement of Earth around the Sun called?
- A. Revolution
- B. Orbiting
- C. Rotation
- D. Tidal lock
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Which is the brightest star in the night sky?
- A. Polaris
- B. Betelgeuse
- C. Sirius
- D. Rigel
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What is the 'Kuiepeer Belt'?
- A. A planet ring
- B. A star cluster
- C. A region of icy objects
- D. A galaxy arm
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Which planet is known as the Morning Star?
- A. Mars
- B. Jupiter
- C. Saturn
- D. Venus
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What is the most abundant gas in the universe?
- A. Nitrogen
- B. Hydrogen
- C. Helium
- D. Oxygen
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What is the closest star to Earth?
- A. Sirius
- B. Betelgeuse
- C. Proxima Centauri
- D. The Sun
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Which layer of the atmosphere is the 'garbage dump' for satellites?
- A. Exosphere
- B. Stratosphere
- C. Troposphere
- D. Mesosphere
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Who was the first epeerson to walk on the moon?
- A. Yuri Gagarin
- B. Neil Armstrong
- C. Buzz Aldrin
- D. Michael Collins
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Which planet is known as the Evening Star?
- A. Venus
- B. Mercury
- C. Saturn
- D. Mars
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What is an 'Eclipse'?
- A. One celestial body blocking another
- B. A solar flare
- C. A planetary alignment
- D. A star death
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What gas is the Sun mostly made of?
- A. Oxygen
- B. Hydrogen
- C. Nitrogen
- D. Helium
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Which planet is famous for its Great Red Spot?
- A. Jupiter
- B. Mars
- C. Saturn
- D. Neptune
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What is the Sun?
- A. An asteroid
- B. A star
- C. A planet
- D. A moon
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What is the name of the first human-made satellite?
- A. Vostok 1
- B. Explorer 1
- C. Apollo 11
- D. Sputnik 1