Karnataka Science and Technology Academy

Department of Science and Technology, Government of Karnataka

November 20: On This Day

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November 20: On This Day – Bhaskara II launched

  • Bhaskara II, was launched on November 20, 1981 from Kapustin Yar onboard the Intercosmos launch vehicle.
  • Objectives :
    • to conduct earth observation experiments for applications related to hydrology, forestry, and geology and
    • to conduct ocean-surface studies using Satellite Microwave Radiometer (SAMIR)
  • Successful operation during mission life.
  • Despite the problem faced by one of the two onboard cameras, sent more than two thousand images which were used for many studies.

November 20: On This Day – Edwin Powell Hubble’s Birthday

  • Edwin Powell Hubble born November 20, 1889
  • Until the mid 1920s, most scientists thought the Milky Way was the entire universe, and that the universe was static, unchanging.
  • Edwin Hubble’s discoveries changed our idea of the cosmos, showing first that the universe was much larger than previously thought, and second that it is expanding, getting larger and larger all the time.
  • Hubble showed we live in a universe of many galaxies
  • The Large Space Telescope was renamed as Hubble Space Telescope (HST) in honor of Edwin Hubble

November 20: On This Day – Karl von Frisch’s Birthday

  • Born on 20 November 1886 in Vienna
  • The Nobel Prize was awarded in 1973 jointly with Konrad Lorenz and Nikolaas Tinbergen “for their discoveries concerning organization and elicitation of individual and social behaviour patterns.”
  • Karl von Frisch is known mainly for his research on the “language” of bees.
  • He explained the ways bees use to communicate information to each other.

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