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Doctors Medicines MCQs Q&A

  1. Saturn
  2. Jupiter
  3. Mars
  4. Venus
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1 Answers

Option 4 : Venus

The correct answer is Venus

  • Venus which completes one rotation every 243 Earth days has the longest day of any planet in our solar system.
  • Jupiter has the shortest day of all the eight planets in the Solar System.
  • Venus is unique as it rotates in the opposite direction to most other planets.

Saturn

  • It has the lowest density in our Solar system.
  • Has a beautiful ring system around it.
  • Titan is one of the prominent moons of Saturn
  • Saturn is known as the Moon king of the atmosphere with 82 discovered moons (earlier it was Jupiter).
  • Length of the day - 10 hours, 33 minutes.
Mars
  • Also known as Red Planet due to the presence of Iron Oxide in its soil.
  • Olympus Mons is considered the tallest mountain in our Solar system.
  • Phobos and Demos are the two moons of Mars.
  • Length of the day - 24 hours, 37 minutes
Jupiter
  • This gas giant is the largest planet in our Solar system.
  • Great Red Spot on Jupiter is a massive hurricane present there for centuries.
  • Io, Europa, Ganymede (biggest) and Callisto are the prominent moons of Jupiter.
  • Length of the day - 9 hours, 5 minutes
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