2023-07-31 10:40:39
According to scientists, this “is so close to its parent star that it is subjected to a constant and torrential blast of energy, which evaporates its hydrogen atmosphere”. Even more surprising, “During an orbit observed with the Hubble Space Telescope, the planet appeared to be losing no material at all, while an orbit observed with Hubble a year and a half later showed clear signs of atmospheric loss”continues NASA.
A variability that surprises specialists. “We have never seen an atmospheric leak go from completely undetectable to highly detectable in such a short period of time as a planet passes in front of its star”declared one of them, Keighley Rockcliffe, member of the university of Dartmouth College (United States), quoted in the press release. “We were really expecting something very predictable and repetitive. But it turned out to be weird.”
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