Thursday 1 December 2016

Astronomers spot mysterious second Earth and it’s got perfect conditions for alien LIFE

A MYSTERIOUS rocky planet less than 150 million light years from Earth could be one of the most likely places to support alien life.

K2-3d, which is 1.6 times bigger than Earth, has a warm climate and potential conditions for hosting liquid water.
Ever since it was discovered by Nasa’s Kepler space telescope when it crossed its star, there has been excitement among stargazers about the planet’s potential.

Now the space agency will use its enormous Hubble telescope to study the planet over the next five years.

They hope observations could reveal the molecular signatures of water, methane or ammonia needed for life in its atmosphere.

“If we found any signal, then we would hit this pair extremely hard with James Webb (telescope), there’s no doubt about that,” Bjorn Benneke from the California Institute of Technology told the New Scientist.

He also warned that the planet could have a hydrogen rich atmosphere or be blanketed by clouds.

found?

K2-3d is an extrasolar planet, meaning it lies outside our solar system.

The planet orbits a host star, around half the size of our sun, every 45 days.

Mail Online reported that a team of Japanese scientists at the Okayama Astrophysical Observatory have managed to calculate the planet’s transits 30 times more accurately than before.

“Our findings have greatly improved the precision of future predictions of the planet’s transit, determining the orbital period of the planet to within about 18 seconds,” the researchers say.

“This improved precision ensures that when the next generation of large telescopes come online, they will know exactly when to watch for transits.”

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