Tag #Gaia Telescope

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Einstein's Theory Confirms Rare Exoplanet Discovery

Astronomers used Einstein's theory of relativity (microlensing) to discover AT2021uey b, a Jupiter-sized gas giant 3,200 light-years away, orbiting a dwarf star with a 4,170-day orbital period; this marks only the fourth successful detection using this method.

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Supernovas May Have Caused Two of Earth's Mass Extinctions

New research hypothesizes that nearby supernovas, occurring approximately every 500 million years based on calculations from the Gaia space telescope, may have caused the Late Ordovician and Late Devonian mass extinctions by damaging Earth's ozone layer, though direct evidence is lacking.

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Supernovas May Have Caused Two Unexplained Mass Extinctions on Earth

A new study hypothesizes that two of Earth's largest mass extinctions, the Late Devonian (372 million years ago) and Late Ordovician (445 million years ago), might have been caused by nearby supernovas, suggesting that supernova radiation could have damaged the ozone layer, leading to a chain of eve...

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