The exoplanets orbiting around our neighboring star TRAPPIST-1 may have more of a chance of having life than previously thought. According to a preliminary report to be published in the journal Astronomy and Astrophysics, TRAPPIST-1 emits solar flares that may provide the planets with enough energy for life to evolve.
TRAPPIST-1 is a red dwarf star located about 40.7 light years away from our solar system. Four of its seven planets are situated in the
“Goldilocks zone,” the band of space around a star where the temperatures permit liquid water to exist on the surface. Its relative proximity to Earth—our Milky Way galaxy is about 100,000 light-years across— and its multiple Goldilocks planets, have made TRAPPIST-1 a focal point in the search for life on other planets.
Red dwarves like TRAPPIST-1 frequently produce solar flares which, while dangerous, could also provide their planets with the energy necessary for life. “Although high energetic radiation from flares is a potential threat to exoplanet atmospheres and may lead to surface sterilization, it might also provide the extra energy for low-mass stars needed to trigger and sustain prebiotic chemistry,” wrote the paper’s authors in the abstract of the preprint report.
This story is from the November 14, 2022 edition of Newsweek Europe.
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This story is from the November 14, 2022 edition of Newsweek Europe.
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