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TOLIMAN: Looking for Earth Mass Planets at Alpha Centauri

30 Apr 2021, 11:49 UTC
TOLIMAN: Looking for Earth Mass Planets at Alpha Centauri ESO/Digitized Sky Survey 2Acknowledgement: Davide De Martin

Why the renewed focus on astrometry when it comes to Alpha Centauri (a theme we saw as well in the previous post on ALMA observations from the surface)? One problem we face with other detection methods is simply statistical: We can study planets, as via the Kepler mission, by their transits, but if we want to know about specific stars that are near us, we can’t assume a lucky alignment.

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