What is Wolf 1069 b?

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Astronomers have recently discovered Wolf 1069 b, an Earth-mass exoplanet that could potentially be habitable.

About Wolf 1069 b:

  • It is a potentially habitable exoplanet 31 light-years away from Earth. 
  • It orbits a red dwarf star, Wolf 1069.
  • Wolf 1069 b lies within its star’s habitable zone.
  • Wolf 1069 b receives approximately 65% of the solar radiance that Earth receives.
  • Wolf 1069 b is potentially a rocky world, at about 1.26 the mass of Earth and 1.08 the size.
  • Its surface is cool, which makes it appear orange.
  • Wolf 1069 b is tidally locked to its parent star, meaning one side is always in daylight, and the opposite side is always in darkness. 
  • It orbits the star within 15.6 days at a distance equivalent to one-15th of the separation between the Earth and the sun.


What is a dwarf star?

  • A dwarf star is any star of average or low luminosity, mass, and size. 
  • The colour of dwarf stars can range from blue to red, the corresponding temperature varying from high (above 10,000 K) to low (a few thousand K).


Q1) What is an exoplanet?

An exoplanet or extrasolar planet is any planet detected beyond our solar system. Exoplanets orbit around other stars and are very hard to see directly with telescopes. They are hidden by the bright glare of the stars they orbit.

Source: Astronomers find an earth-like planet close to us; Here’s how habitable it is