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30/11/22 13:08 PM IST

Red Planet Day

In News 
  • 28th November is marked as Red Planet Day commemorating the day when National Aeronautics and Space Administration (NASA) mission Mariner 4 was launched in 1964.
Features of Mars 
  • It is the fourth planet from the Sun and the second-smallest planet in the Solar System.
  • Mars is about half the size of Earth.
  • As Mars orbits the Sun, it completes one rotation every 24.6 hours, which is very similar to one day on Earth (23.9 hours).
  • Mars' axis of rotation is tilted 25 degrees with respect to the plane of its orbit around the Sun. This is similar to Earth, which has an axial tilt of 23.4 degrees.
  • Mars has distinct seasons like Earth, but they last longer than seasons on Earth.
  • Martian days are called sols—short for ‘solar day’.
  • It has the largest volcano in the solar system i.e., Olympus Mons.
  • It has two small moons, Phobos and Deimos.
Source- Indian Express 

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