(The Gist of Science Reporter) Did you know? [MAY-2019]


(The Gist of Science Reporter) Did you know? [MAY-2019]


Did you know?

  • Pluto was discovered in 1930 and assigned as the ninth planet in our solar system. However, in 2006, the status was withdrawn and reassigned as a dwarf planet.
  • The name Pluto was proposed by Venetia Burney, an 11-year-old girl from England. The Student Dust Counter was named in her honour.
  • By the time we discovered and stripped Pluto of its planet status, the icy object had not completed an entire orbit around the Sun.
  • Pluto is the largest KBO and the second most massive.
  • One-third of Pluto is water ice almost equal to three times the water in all our oceans put together. The remaining two-thirds is rock.
  • It takes 248 earth years for Pluto to orbit around the Sun.
  • The sunlight on Pluto is as intense as moonlight on Earth.
  • It takes five hours for the sunlight to reach Pluto (as against 8mins to Earth).
  • Pluto has a retrograde rotation (opposite to that of the Earth). So, on Pluto the Sun rises in the west and sets in the east.
  • Pluto is a cold planet with an average temperature of about -230oC.
  • The feeble light on Pluto makes the days appear dark, and one can see stars during the day.
  • On Pluto, sunrise to sunset is about a week long.
  • Pluto has a thin atmosphere mostly of nitrogen ice, carbon monoxide and methane.
  • The surface is rocky and believed to be having cry volcanoes and geysers.

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Courtesy: Science Reporter


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