EPISODE · Nov 2, 2021 · 48 MIN
86: Extragalactic X-Ray Exoplanet
from syzygy · host Chris Stewart
Syzygy Merch! Get it at the store. Help us make Syzygy even better! Tell your friends and give us a review, or show your support on Patreon: patreon.com/syzygypod Syzygy is produced by Chris Stewart and co-hosted by Dr Emily Brunsden from the Department of Physics at the University of York. On the web: syzygy.fm | Twitter: @syzygypod Since you’re here, you might be interested in a new, sciencey podcast: Science, possibly — science-adjacent stories by Chris Stewart and James Lees. Things we talk about in this episode: The paper in Nature Astronomy A good article about the research The Whirlpool Galaxy NASA’s exoplanets page Exoplanets in other galaxies X-Ray binaries Exoplanet transits
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What this episode covers
We've spotted thousands of planets around other stars in our own Milky Way. But when we look at other galaxies, it's mostly impossible to see individual stars — let alone any planets orbiting them. Recently, astronomers spotted what looks suspiciously like a transit event in the signal from a bright x-ray binary system in the whirlpool galaxy. Could it be an exoplanet? Emily runs throuugh all the ways this might *not* be the case, and we're left with a tantalising "well ... maybe”.
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86: Extragalactic X-Ray Exoplanet
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