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Astronomers Use Chemical Clocks to Date Planet-Hosting Sun-like Stars
Original: Planets Around Solar Twins/Analogs (PASTA) III: Chemical Clock Relations in Planet-Hosting Solar Analogs
A new study in the PASTA survey examines chemical clock relations in solar twins and analogs that host planets. By measuring elements such as yttrium and magnesium in stellar surfaces, researchers can estimate stellar ages, helping them trace how planetary systems evolve around stars similar to the Sun and compare their histories with our own solar system.
Why now: It offers a new way to age-date Sun-like stars with planets, informing the search for Earth-like worlds.
PASTA surveysolar twinssolar analogsexoplanets
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- Planets Around Solar Twins/Analogs (PASTA) III: Chemical Clock Relations in Planet-Hosting Solar Analogs · Astrobiology Web
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