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NOMENCLATURE OF LUNAR FEATURES

Written by Talent KAS

Related Topics: Science & Technology, Mitra Crater

News

  • ISRO released images of the lunar surface captured from the Chandrayaan-2 spacecraft orbiting the Moon taken by the Terrain Mapping Camera-2.
  • Taken by the Terrain Mapping Camera-2 of Chandrayaan-2 from an altitude of about 4,375 km, the images show impact craters named after various scientists — (Arnold) Sommerfeld (Germany), (Daniel) Kirkwood (US), (John) Jackson (Scotland), (Ernst) Mach (Austria), (Sergei) Korolev (former USSR), (Sisir) Mitra (India) etc.

Nomenclature

According to a resolution by the International Astronomical Union in 1973,

  • Crater and crater-like formations are given the names of astronomers or eminent scientists, posthumously.
  • Mountains are given names corresponding to the geographical names of mountains of the Earth
  • Extensive dark surfaces are given names that correspond to the mental states of humans.

About Mitra Crater

  • It is named after 20th century’s acclaimed radio physicist Sisir Kumar Mitra.
  • Images of the crater are among the second set of pictures of the northern craters sent by Chandrayaan-2’s orbiter.
  • At 25 degrees Kelvin (minus 248 degrees Celsius), the northern polar region is believed to be one of the coldest spots in the solar system.
  • Mitra (1890-1963) also lends his name to the S. K. Mitra Centre for Research in Space Environment of the University of Calcutta.
[Sources: The Hindu, Indian Express]

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