118: Sextuplet Symphony

After some lengthy follow-up (the Bennu sample is open at last! And SLIM is alive!), Emily investigates possibly the most podcasty story we’ve had on the show: six planets around distant star HD110067, all locked into resonances that play beautiful music. Turns out if you leave a planetary system alone for long enough, gravity tends to pull everything into simple harmonies. Maybe our own solar system has a song to sing in the far future?

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Syzygy is produced by Chris Stewart and co-hosted by Dr Emily Brunsden from the Department of Physics at the University of York.

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Things we talk about in this episode:

• The Bennu asteroid sample is open!

• JAXA SLIM updates

• First SLIM images

• Sextuplet symphony: The Nature paper

• A good article about the discovery

• Blog post by Dr Hugh Osborn with exoplanet music video

• Trappist-1 system

• Orbital resonances

• Multiple star systems

• JWST finds methane in exoplanet atmosphere

• A breathless headline