NASA’s Kepler Space Telescope finds potentially liveable planet as near as 20 light-years away.
Key points:
1. NASA says our galaxy may be packed with 300 million liveable planets.
2. Extensive research predicts liveable planets just 20 light-years away.
3. Kepler Space Telescope’s 9 years journey on finding exoplanets shows many liveable planets in the galaxy.
A minimum of 300 million liveable planets may exist in our galaxy, NASA revealed:
Our galaxy is packed with doubtlessly liveable planets — as a minimum three hundred million of them, in line with NASA. The US space agency’s Kepler Space Telescope spent 9 years on a planet-searching mission, efficaciously figuring out heaps of exoplanets in our galaxy earlier than strolling out of gas in 2018. But the unique mission’s middle query remained: how a lot of those planets are liveable?
Scientists say that rocky planets helping liquid water on their surface as considered “liveable planets”:
As per research released in The Astronomical Journal, there is a kind of three hundred million doubtlessly liveable worlds in our galaxy, which means rocky planets able to helping liquid water on their surface. That discern is a tough estimate on the conservative side, and “there can be many more,” stated NASA in an information release. Some of those planets can be near sufficient to be considered “interstellar neighbors” — the nearest is around 20 light-years away.
7% of Sun-like star may be able to host liveable planets:
Scientists searched for stars just like our personal Sun in age and temperature, so it would not be too warm or active. They additionally searched for exoplanets with a comparable radius to Earth and singled out people who had been probable to be rocky. They had been capable of issue temperature into their analysis, way to extra statistics accrued through the European Space Agency’s Gaia mission, that is charting a 3d map of our galaxy. After calculating those factors, researchers used a conservative estimate that 7% of Sun-like stars ought to host liveable worlds. But the charge can be as excessive as 75%, scientists stated.