Of the thousands of planets found outside the solar system, only about 50 show conditions like on Earth. Now, scientists are discovering one more planet that can potentially be inhabited by humans. Privileged, the planet is relatively close to astronomical size. The distance is only 11 light years.
A group of European and South American astronomers announced the discovery of the planet Wednesday (15/11). They claim, this "close-in" planet can be inhabited by humans, and named the planet Ross 128b.
According to the European Southern Observatory (ESO), planet Ross 128b has a mass similar to Earth and "its surface temperature can be similar to Earth." This means that the planet can theoretically support the existence of water, which is indispensable to terrestrial life.
The average temperature is estimated to be between -60 and 20 degrees Celsius. Now researchers should find out whether the planet has water, oxygen or methane in its atmosphere.
One year in Ross 128b only 9.9 days on earth
Ross 128b in astronomical counts is very close, allowing observations from Earth with advanced telescopes such as E-ELT (European Extremely Large Telescope). The telescope is still under construction and is due to be completed in 2025, project leader Xavier Bonfils told AFP.
Ross 128b orbits in the constellation of the Virgo star. Of the thousands of exoplanets that scientists have discovered, Ross 128b is one of only about 50 planets that might support life.
The British Guardian Daily reported, because the planet is twenty times closer to the sun than Earth, a year on the planet lasts only 9.9 days. Unlike the sun of our solar system, Ross 128b orbits a dim red red dwarf, allowing it to be at close range without the planet burning to dryness.
Ross 128b also has advantages compared to other planets, Proxima Centuari b, which is also touted as Earth-like and spaced only 4.24 light-years from Earth. But Proxima Centuari b orbits a much more active star and is regularly exposed to massive starbursts.
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