TNPSC Thervupettagam

Earth-sized planet in habitable zone

January 10 , 2020 1783 days 1038 0
  • Transiting Exoplanet Survey Satellite (TESS) has discovered an Earth-sized planet, termed as “TOI 700 d”, within the habitable range.
  • Earth-sized planet located in constellation Dorado.

Habitable zone:

  • Habitable zone is known as Goldilocks zone or Circumstellar Habitable Zone (CHZ).
  • A habitable zone, also called the “Goldilocks zone”, is the area around a star where it is not too hot and not too cold.
  • Our Earth is in the Sun’s Goldilocks zone.

About TESS:

  • It is an all-sky survey mission launched by NASA in 2018.
  • It seeks to discover exoplanets around nearby bright stars.

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