The habitable zone is defined as conditions that allow liquid to form on the surface. Wolf 1069 b is the sixth closest Earth-mass planet in the zone, at a distance of 31 light-years.
It’s thought that Wolf 1069 b is a rocky planet, with a temperature of around minus 23 degrees. However, if the atmosphere has been formed, then the temperature could have risen to 13 degrees.
Astronomer Diana Kossakowski of the Max Planck Institute for Astronomy is the head of the team researching the new developments.
"When we analyzed the data of the star Wolf 1069, we discovered a clear, low-amplitude signal of what appears to be a planet of roughly Earth mass," says Kossakowski.
"It orbits the star within 15.6 days at a distance equivalent to one-fifteenth of the separation between the Earth and the sun.”
The findings have been published in the journal Astronomy & Astrophysics.
ANU’s Astrophysicist and Cosmologist Brad Tucker also spoke about the potential for life on habitable planets relatively close to Earth.
“By being a planet that is nearly identical in width to earth, ever so slightly heavier, but in that habitable zone, the zone that liquid water can exist; it means that there is a strong chance that life may or have in the past or now exist on that planet,” Tucker told Sky News Australia.
A newly discovered exoplanet could be worth searching for signs of life. Analysis by a team led by astronomer Diana Kossakowski of the Max Planck Institute for Astronomy describe a planet that orbits its home star, the red dwarf Wolf 1069, in the habitable zone.
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