Searching for Alien Earths with Lisa Kaltenegger [Ep. 411]

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Is Earth unique, or are there other Earth-like planets full of life? If so, what might life be like on these other planets? Could we even detect it? These questions have puzzled people for millennia.
Now, we finally have the technology to explore it. Among the people who have taken up the search for other Earth-like planets and extraterrestrial life is today's guest, Lisa Kaltenegger!
Lisa Kaltenegger is an award-winning astrophysicist and astrobiologist and the founding director of the Carl Sagan Institute at Cornell. She is a pioneer and world-leading expert in modeling habitable worlds and their light footprints. For the last decade, she has been finding new ways to discover life in space, working with NASA and ESA from Austria to the Netherlands, Harvard, Germany, and now Cornell.
Today, she will take us on an exciting journey through space in search of habitable planets and life.
Tune in!
Key Takeaways:
00:00:00 Intro
00:03:00 Judging a book by its cover
00:06:16 What kind of aliens is Lisa looking for?
00:10:50 The key technology for planet hunting
00:16:51 Modeling habitable planets
00:24:09 A trip through probability space
00:33:58 Panspermia and life on Mars
00:38:02 Proof of life
00:44:51 Information theory and identifying signs of life
00:48:11 The implications of discovering extraterrestrial life
00:53:16 The future of pedagogy
00:57:39 Outro
Additional resources:
➡️Win a copy of ALIEN EARTHS! enter here: kingsumo.com/g/mkl3j6/win-a-c...
➡️Learn more about Lisa Kaltenegger:
📚 Alien Earths: a.co/d/bKobTOp
✖️ Twitter: / kalteneggerlisa
➡️ Follow me on your fav platforms:
✖️ Twitter: / drbriankeating
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✍️ Check out my blog: briankeating.com/cosmic-musings/
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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.
Make sure to subscribe so you never miss an episode!
#intotheimpossible #briankeating #LisaKaltenegger

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16 июн 2024

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Комментарии : 80

@DrBrianKeating Месяц назад

Is there alien life in the galaxy?

@teknacious Месяц назад

100% we are here that's enough evidence for me

@Bill..N Месяц назад

With all respect, friend, I think that within your own lifetime, you will see research like Lisa does, prove there is such life beyond any reasonable doubt..Peace..

@The.world.has.gone.crazy... Месяц назад

If you think every "star" has planets around it, it's just mathematicly impossible that we are the only planet with life on it.

@nunomaroco583 Месяц назад

Hi, that talk change my mind again, even in our Planet we have tribes that never contacted anyone else, imagine in all Universe, if one day we contact some alien intelligent species, probably we communicate with them during long time, if we find a way first, and don't contact others if they exist, for long time to.Also about water on Earth, I imagine that Theia impact, may be a moon like Europa whit lots of water, that originated our Ocean, all the best.

@Bill..N Месяц назад

@The.world.has.gone.crazy... Yea, I'm with you on the probabilities thing, but also, it seems as though there is a clue here.. The mechanisms at work, whether abiogenesis, panspermia, or something new, can cause life to emerge VERY fast relative to geological time ! On Earth, simple life took hold virtually as soon as the crust cooled down and water emerged.. It doesn't seem to be incredibly difficult for this to happen..

@Bill..N Месяц назад

Brilliant stuff.. I'm an instant Lisa fan.. It is very easy to agree with her and the notion of "Life finds a way" .. In my opinion, simple life should be abundant in the cosmos, turning up wherever environments permit a sufficient period of stability.. Very engaging interview..

@uisgeuisce Месяц назад

Can't get enough of Fermi's Paradox! Thank you professor for your amazing guest!! Cheers from Southeastern Europe, Albania! ✨

@DrBrianKeating Месяц назад

Thanks so much! *What was your favorite takeaway from this conversation?* _Please join my mailing list to get _*_FREE_*_ notes & resources from this show! Click_ 👉 briankeating.com/list

@janklaas6885 Месяц назад

📍16:51 2📍 48:11 3📍 38:02

@jessewallace12able Месяц назад

What an amazing woman and guest!! It’s so wonderful to see people like her!

@DrBrianKeating Месяц назад

More to come. Thanks !

@redacted5035 Месяц назад

00:00:00 Intro 00:03:00 Judging a book by its cover 00:06:16 What kind of aliens is Lisa looking for? 00:10:50 The key technology for planet hunting 00:16:51 Modeling habitable planets 00:24:09 A trip through probability space 00:33:58 Panspermia and life on Mars 00:38:02 Proof of life 00:44:51 Information theory and identifying signs of life 00:48:11 The implications of discovering extraterrestrial life 00:53:16 The future of pedagogy 00:57:39 Outro

@rogerssampaio652 Месяц назад

Just fascinating! Loved it!

@DrBrianKeating Месяц назад

Glad you enjoyed it!

@flyinghigh372 Месяц назад

@lwss1617y Месяц назад

Very interesting regarding the experimental side & its interpretational modelling, though the intended goals are, say, highly speculative. For the time being, only aliens (if....) can solve our doubts. My personal takeaway Prof. Keating's question about weather. Thanks!!!

@DrBrianKeating Месяц назад

Thanks !

@oliverjamito9902 Месяц назад

Yes, who searches thy hearts and minds will recognize!

@The.world.has.gone.crazy... Месяц назад

Considering how many planets there are in our galaxy and how many galaxy's there are, i think it's mathematilicly verry possible that there is alien life in space.

@matthewcerini699 Месяц назад

Curious, is Lisa collaborating with Betül Kaçar?

@nunomaroco583 Месяц назад

Hi, just amazing talk great topic, super interesting......all the best.

@oliverjamito9902 Месяц назад

Looking at the Root! And results! Yes came with TIME!

@FakeJelly212 Месяц назад

Great video! Can’t wait to read the book!

@eternisedDragon7 Месяц назад

However, regarding interplanetary ballistic litho-panspermia, let's not forget that planets' escape velocities matter, and despite Venus being closest to earth (outside of the moon) and not quite as massive at it, we've so far found not a single meteorite from it on earth (or the moon), and furthermore, in cases where this process may be rare enough, when it does happen, the timing throughout the billions of years can matter a lot, as for earth's case, such impact (possibly alike the one that killed the dinosaurs, if it was sufficient, though if earlier impacts of similar kind could've taken out the dinosaurs, then apparently they didn't happen) could've happened up to about 4.5 billion years ago, but complex animals are only known to have existed for up to about 1.6 billion years ago. And so far there only are speculations about earth-based meteorites being on the moon, and presumably if any (other) celestial body should have such meteorites on it (and in more as such detectable manner than e.g. on Venus), then chances are it'd be our moon.

@shinymike4301 Месяц назад

My brain is quantum entangled with an Alien 324,672 light years away, so there's the proof, Dr. Sagan

@oliverjamito9902 Месяц назад

For Thee my beautiful!

@oliverjamito9902 Месяц назад

How? Yes!

@trainyoumust Месяц назад

What a charming lady ❤! You too Brian 😉. Very nice episode 👍

@DrBrianKeating Месяц назад

Thank you! 😃

@oliverjamito9902 Месяц назад

Don't mind Who sitteth upon the lowest seat LASTS. Punching bag sitting! Rather to absorb all punches, pointing fingers, nor trying to find blame unto my Own! Till these who am I? Get tired! Till ye have enough! Now is my TURN! Should I take advantage of thy tiredness? To finish Thee! Humility rather to carry thee! 1 footprint! Just know i have loved thee! Instead of finishing Thee! Forgiveness, salvation, and the Redeemer. A little Child born "i" AM.

@oliverjamito9902 Месяц назад

Fruits come here in front! Yes Lord!

@HakWilliams Месяц назад

How much does the earf cost? I think I'm going to buy the Earf

@oliverjamito9902 Месяц назад

Book concerning therein! Beyond can contain. Contain

@oliverjamito9902 Месяц назад

What is a Book? Why book came about?

@dadsonworldwide3238 Месяц назад

I have to imagine some magical energy or life force trying to escape at all times that looks for certain critical extreme states to lay such a foundation. Since we must rely on our tools & instruments to probe other exo plantets it seems more like we only get a sample of scales to work with. In many way as I age I'm becoming a prisoner In my own body where I also must rely on more intuitive senses of leverage to overcome handicaps where my younger self would simply physically plow through the world around me . I say this because our tech and advancements appear to be steering us in a similar path where I'm not so sure we would colonize space in the same messy ways as we had historically on earth. The same with how we are searching earth like planets or alien life I'm not so sure we will ever find it In the way the way Sci-fi movies or our great authors would frame it. This ordering and categorizing skill & perspective we use sure seems to be more rare with more horizon paradoxes than even our most eccentric past religious versions of our selves could imagine. Certain series of events appear to be more unique than we could've imagined or its so repeatable that once critical extreme states are met that life repeats itself if the lattus structure supports it. In this case vacuum energy or whatever energy bound up would be trying to escape in this form at all times which is deep and heavy. The discovery of some alien life could really make our sciences harder to work with.

@oliverjamito9902 Месяц назад

Come in front unto all who are troubled?

@sspravin Месяц назад

Did Abhjith Chavda bring you here?

@Joshua-by4qv Месяц назад

She is the most enthusiastic, optimistic person. The anti-Eric Weinstein.

@mikeyb7263 Месяц назад

This is what happens when science begins listening to outside voices and more than a few inner ones of its own. It looks a lot like spirituality - from the outside anyway.

@SoniSingh-fl8cf Месяц назад

Another brilliant podcast.

@DrBrianKeating Месяц назад

Thanks so much! *What was your favorite takeaway from this conversation?* _Please join my mailing list to get _*_FREE_*_ notes & resources from this show! Click_ 👉 briankeating.com/list

@oliverjamito9902 Месяц назад

What is a root? Resting upon my Footstool?

@DenisJurin Месяц назад

While watching this I was thinking what is wrong with Lisa, and then she said - she is doiing research and teaching based on the way how she sees the world. And this is bad for scientist and for the teacher, imho, becuase the way how she sees the world can easily be wrong.

@ps200306 Месяц назад

Great videos but I'm sorry to have to say they sound quality on this was horrendous. Clearly not a bandwidth issue as the video was fine. Lisa's cheap dangly mic was not up to the job and her audio was muffled and unclear. Physicist Sean Carroll takes a sensible approach in his _Mindscape_ podcast -- he mails a microphone to his guests in advance rather than leaving it up to chance. Would be great if you could achieve some improvements in this area to match the excellent content.

@DrBrianKeating Месяц назад

Working on it

@ps200306 Месяц назад

@@DrBrianKeating , good job, thanks! 👍

@RanjakarPatel Месяц назад

He try his best his branes my dear. He weakness four the maths but he have good heart but is little race four India

@oliverjamito9902 Месяц назад

Why marvel?

@ByronGoodman Месяц назад

This argument that we are not advanced enough, why would they bother with us, is unimaginative, but also not based on fact. If ants existed on Titan, we would spend billions to bring them back. If there is an advanced civilization, then there must a civilization on the evolutionary scale between us and them. This assumption we're not advanced and not interesting is projection from scientists that have lost track of reality. No matter the stage of development, you can always learn something. When I hear this from someone like Lisa Kaltenegger, it puts into question her legitimacy. The dark forest hypothesis is the most likely hypothesis. It could be they have already collected us and are experimenting if they're advanced enough.

@oliverjamito9902 Месяц назад

All books come here in front! Book 1ST! Can't be a book. Why write a book?

@DarthLink1986 Месяц назад

How could they possibly even think there WASN'T other planets? You're not that old, are you? Lol jk but for real

@robertjakob7009 Месяц назад

@tootsrr1 Месяц назад

There are a very good chance for other life in the Universe we haven't even scratched the surface EVERYTHING is limited by the $$$$ & the vastness of space