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Tidal Heating Could Kill ‘Habitable’ Alien Worlds Although red dwarfs are often pegged as “ideal” places to hunt for habitable exoplanets, it turns out that this type of star — which is the most numerous class of star in our galaxy — may have a sinister side. Far from promoting the evolution of biology within their habitable zones, powerful tides could literally sterilize orbiting exoplanets, cooking them from the inside-out, Nature News reports. In fact, according to astrophysicist Rory Barnes, of the University of Washington in Seattle, the size of habitable zones around some red dwarfs could shrink by up to a half. keep reading

Tidal Heating Could Kill ‘Habitable’ Alien Worlds

Although red dwarfs are often pegged as “ideal” places to hunt for habitable exoplanets, it turns out that this type of star — which is the most numerous class of star in our galaxy — may have a sinister side.

Far from promoting the evolution of biology within their habitable zones, powerful tides could literally sterilize orbiting exoplanets, cooking them from the inside-out, Nature News reports.

In fact, according to astrophysicist Rory Barnes, of the University of Washington in Seattle, the size of habitable zones around some red dwarfs could shrink by up to a half.

keep reading