LHS 1140b: Another planet in habitable zone discovered


Post Date : 21/04/2017

Astronomers have discovered yet another planet, called LHS1140b, which is expected to be present in the Goldilocks Zone. It’s not so far away, either. It is found orbiting around the star LHS 1140 some 39 light-years away.The planet is found to be rocky, like the Earth but is over six-times as massive as Earth and about 1.5-times larger and falls under the category of ‘Super Earth’. Its gravitational pull will be three times stronger than that of the Earth. Rocky planets within the habitable zone are the best candidates to find evidence of some form of life.
The very close location of the planet will make it easier for the astronomers to study its atmosphere and look for signs of life in the near-future. The study of a planet’s atmosphere is vital to look for signs of life. If the atmosphere is found to be thick and filled with carbon dioxide, like Venus, then it can be concluded that it would be too hot to hold life or water. On the other hand, if the atmosphere is too thin and wispy like Mars, then all the water will get locked up as ice. The first planet outside our solar system was found out in 1995. With the help of NASA’s Kepler telescope, the discovery of planets has become easier. So far, astronomers have identified 52 potentially habitable planets and around 3,600 planets outside our solar system. With the launch of James Webb Space Telescope (JWST) by NASA in 2018, chances of studying planets and detecting a familiar atmosphere will increase manifold.

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