# Exoplanet Radio - The First Exoplanet Of JWST

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Text version: https://stenobird.com/podcast/the-365-days-of-astronomy-500745/exoplanet-radio-the-first-exoplanet-of-jwst.md
Podcast: [The 365 Days of Astronomy](https://stenobird.com/podcast/the-365-days-of-astronomy-500745)
Published: 2026-05-26T11:00:00+00:00
Episode link: https://traffic.libsyn.com/secure/astro365/20260526-365DoA.mp3
Audio file: https://traffic.libsyn.com/secure/astro365/20260526-365DoA.mp3?dest-id=4378
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JSON: https://stenobird.com/v1/public/podcasts/the-365-days-of-astronomy-500745/episodes/exoplanet-radio-the-first-exoplanet-of-jwst
Duration seconds: 336

## Resource

Hosted by Tony Darnell. From July 17, 2023. The James Webb Space Telescope Has confirmed its first exoplanet, LHS 475 b, in the southern constellation Octans, using the transit technique. The TESS satellite detected the possible presence of it and JWST's NIRSpec instrument has confirmed the observation. The planet is 99% the diameter of Earth & 91.4% of Earth's mass. So your first hope is that it's a second Earth. The orbital period is only 2 days, though, so it's assuredly tidally locked & very hot. It's unlikely to have an atmosphere either, so you can forget about finding life there. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click !) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org .

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