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ASVAB · Earth and Space Science

Which planet is closest to the Sun?

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Correct answer

Mercury

  1. A Mars
  2. B Mercury
  3. C Earth
  4. D Venus

Why this is the answer

MERCURY is the planet closest to the Sun. ASVAB General Science includes astronomy. The planets in order from the Sun: MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE (a common mnemonic: 'My Very Educated Mother Just Served Us Noodles'). Mercury is closest (and has extreme temperatures); Venus is hottest (due to its thick atmosphere/greenhouse effect); Jupiter is largest. Knowing planetary order, especially Mercury as closest, is commonly tested.
Source: ASVAB General Science — Astronomy, Planets

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This question is from our ASVAB Practice Tests practice test. Take the full practice test to test your knowledge across all Earth and Space Science and other topics.

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About this topic: Earth and Space Science

Earth and space science covers geology (rock types, plate tectonics), weather and the atmosphere, the water cycle, and astronomy — the solar system, moon phases, eclipses and the seasons. This is one of 13 General Science questions on earth and space science, each with a full explanation on a single study page.

New to this exam? Our ASVAB exam guide explains the format, scoring, and how to prepare.

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