Ep. 754: K2-18b

Astronomy Cast

Science, Astronomy, Natural Sciences, Space

4.8 • 3.4K Ratings

🗓️ 5 May 2025

⏱️ 33 minutes

🔗️ Recording | iTunes | RSS

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Summary

Astronomy Cast Ep. 754: K2-18b By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 28, 2025. You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says. SUPPORTED BY YOU This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

Transcript

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0:00.0	I'm Astronomycast, Episode 754. What's happening with K218B? Welcome to AstronomyCast, our weekly facts-based journey through
0:56.6	the cosmos, where we help you understand not only what we know, but how we know what we know.
1:00.4	I'm Fraser Kane. I'm the publisher of the universe today. With me, as always, is Dr. Pamela,
1:04.1	a senior scientist for the Planetary Science Institute and the director of Cosmo Quest. Hey, Pamela,
1:09.3	how you doing? I am doing well. It is owls being
1:13.0	very loud stage of spring here. What stage have you reached? I've reached maximum tulip in my garden.
1:23.6	Deer assaults on my garden, which we've fend, now I think I've got them fended off at this point,
1:29.4	but I say this every year. And of course, they just wait and buy their time and feast on my
1:32.9	happiness. But I have like a something that I wanted to get off my chest here, which is that
1:40.1	you may not know this, but I'm the publisher of universe today.
1:46.0	Yes, you are.
1:46.9	Yes, I am.
1:47.2	You really, really are.
1:48.0	Yeah.
1:48.5	So this is a space news website, which you're going to see its articles come up all
1:53.5	the time in Google News and Apple News and on Reddit and around the internet.
1:58.7	I also have a YouTube channel where I come on and I talk about
2:01.8	space news. And, you know, I interview new patrons that come on to Universe today and I'll talk
2:06.5	about, you know, they'll say, oh, ask where they found me. They found me on, on astronomy
2:11.2	cast. Like they originally started listening to Astronomy cast. And then, and then they real,
2:16.5	they admit that they never realized that I did anything else other
2:21.2	than be the co-host on astronomy cast that they didn't realize that it was also the publisher
	...

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