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Kepler 438b: Most Earth-like planet ever discovered could be home for alien life

New discovery is likely to be a rocky world in the ‘Goldilocks’ zone of its parent star where the temperature is just right for liquid water to flow

An Earth-like planet orbiting a star that has formed a planetary nebula. Earlier in its life, this planet may have resembled the newly discovered Kepler 438b. Illustration: David A Aguilar/CfA

An alien world that orbits a distant star in the constellation of Lyra may be the most Earth-like planet ever found outside the solar system.

The planet, named Kepler 438b, is slightly larger than Earth and circles an orange dwarf star that bathes it in 40% more heat than our home planet receives from the sun.

The small size of Kepler 438b makes it likely to be a rocky world, while its proximity to its star puts it in the “Goldilocks” or habitable zone where the temperature is just right for liquid water to flow.

A rocky surface and flowing water are two of the most important factors scientists look for when assessing a planet’s chances of being hospitable to life.

Kepler 438b, which is 470 light years away, completes an orbit around its star every 35 days, making a year on the planet pass 10 times as fast as on Earth. Small planets are more likely to be rocky than huge ones, and at only 12% larger than our home planet, the odds of Kepler 438b being rocky are about 70%, researchers said.

Kepler-186f is part of five-planet system 795 lights years away. The find is described in the journal Science as ‘a landmark on the road to discovering habitable planets’. Photograph: Nasa Ames/SETI Institute/JPL-Cal/PA

Source: TheGuardian Read more

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2 Comments

It’s true, politicians have absolutely no idea what they are destroying.

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