Only 8% of potentially habitable planets are formed yet, according to a theoretical study.
The universe has given birth to millions of earth-mass planets in its 13.8-billion year history, but the process is not over yet.
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A recent theoretical study suggests that only 8% of potentially habitable planets were created ever since the formation of universe. A huge bulk of earth-like worlds – 92 percent – is not even born yet.
“There is enough remaining material (after the big bang) to produce even more planets in the future, in the Milky Way and beyond.” Molly Peeples, investigator at Space Telescope Science Institute in Baltimore.
These conclusions are based on the observations of NASA’s Hubble Space Telescope and Kepler Space Observatory, which is designed to search life-friendly planets. New earth-like planets will continue to form for another 6 billion years, according to latest study.
“Our main motivation was understanding the Earth’s place in the context of the rest of the universe,” said lead author Peter Behroozi from STScI. “Compared to all the planets that will ever form in the universe, the Earth is actually quite early.”
Data suggests that the universe was making stars at a very fast rate 10 billion years ago. Today, star birth is happening but at a very slower rate, still there is so much raw material left that universe will keep making stars and planets for many more years to come.
Stars are necessary for the existence of life on any planet. They allow to keep water pool on the surface and researchers predict that there must be 1 billion earth-sized worlds in Milky Way at present.
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Our galaxy, Milky Way, has used up much of the gas required for the formation of stars so new habitable words will more likely appear in giant galaxy clusters or in dwarf galaxies. However, no other world with intelligent life is detected yet.