Researchers suggest that there may be many exoplanets in the universe that contain water, and that they may be habitable.
A team of astronomers has discovered that water on Earth originated in interstellar space five billion years ago, and it is older than the Sun. Nature report.
In particular, scientists saw a glimpse of water vapor around the young star V883 Orionis, which made it possible to measure the ratio of the two main versions of water in the star system.
The results showed that the composition of the water is similar to that of many bodies in our solar system, suggesting that most of the water on our planet comes from interstellar dust that existed before the sun was born.
V883 Orionis is known to be surrounded by a galaxy of gas and dust – known as a protoplanetary disk – from which planets, comets that could carry water in the form of ice, and other celestial bodies could emerge.
“We believe that the water that eventually passed through the disk and the comets formed before the star formed. These water molecules formed in interstellar space on top of very small dust grains,” said John Tobin. , an astronomer at the National Radio Astronomy Observatory.
Earlier it was reported that scientists from the University of Newcastle in the UK said that by the end of the century, about half of the 215 thousand glaciers will disappear from the face of the Earth.
Curiosity found traces of a lake on the mountain of Mars
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Source: korrespondent
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