23Aug2015

Kepler DiIscovers A Billion Of ‘Eta-Earths’ In Our Galaxy

If you’re interested in planets, the good news is there’s plenty of variety to choose from.

In a breakthrough discovery, the Kepler telescope has claimed the existence of nearly a billion Earths in our galaxy.This opens up a myriad of possibilities for finding life outside planet earth.

The NASA data reveals that about a billion of earth-like, rocky plants are orbiting their respective ‘Suns’, signaling prospects of life on these look-alikes. On Thursday, the latest Kepler data has offered new insights on the abundance of Earth-like planets around sun-like stars. The novel name given to these latest finds is ‘Eta-Earth’ and the landmark discovery has been made by Natalie Batalha, a NASA astrophysicist who is the mission scientist for the Kepler telescope.

Batalha confirmed that the M, K, and G dwarfs comprise about 90% of the stars in the galaxy. The M type stars have been claimed to be the most common in the galaxy comprising about 70% of the population of Main Sequence stars. Batalha further explained that according to the Kepler data within 33 light-years, when a total of 357 stars break down from the solar neighborhood, 248 of those are M dwarfs, 44 are K dwarfs and 20 are G dwarfs.

A group of Japanese astronomers have recently identified what they consider to be a super-Earth, possessing a water-rich atmosphere, orbiting its host star.

Additionally, Batalha stated that according to the estimates of Eta-Earth, about 15-25% of the stars host potentially habitable planets. The discovery of earth-like planets that have been found to be orbiting the M, K, and G dwarfs, have been estimated to be around 14 billion.

Batalha claims that 15% of stars have a planet between 1 and 1.6 times the size of Earth in the Habitable Zone, therefore, 15% of 90% of 100 billion stars to have such planets accounts to 14 billion potentially habitable worlds, and about a billion of the 14 billion are orbiting G stars. NYC Today

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