We Probably Wrong About What Alien Life Looks Like
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Published 2024-07-14
Paper here: academic.oup.com/mnras/article/530/2/1363/7645230
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0:00 Why is Alien Life so Hard to find?
1:40 How Do We Look For Alien Life?
7:22 Were We Looking For Life In The Wrong Place?
10:53 Alien Life Might Look Different Than We Thought
14:23 The Purple Earth Hypothesis
16:55 Finding Alien Life In The Not-so-distant Future
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All Comments (21)
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It's life, Jim, but not as we know it
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"O God, I could be bounded in a nutshell, and count myself a king of infinite space—were it not that I have bad dreams". (Hamlet)
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I'm rooting for black plants and purple oceans, because that'd be hella goth. 😅 💜🖤💜🖤
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I have seen what looks like trilobites or isopods about an inch or inch and a half wide swimming happily in blood red sulphuric acid ponds and lakes on top of a Cu Zn mine tailings deposit. Could never find anybody else in the world who knows of this life form or variety..... Which is weird. If you work more than few days on a drill on this site, your clothes fall into pieces due to the acidic air on top of the pond.
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Thank you for providing a link to an open-access paper. The public must demand that all publicly funded research is published open access. If this means that authors and their institutions must pay thousands of dollars for each publication, then so be it. This will encourage more interdisciplinary collaboration and more research participation from undergraduate students. More coauthors implies more cost sharing for risky theoretical projects that are unlikely to receive funding.
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If you are searching for alien life look no further than the back of my refrigerator..
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Blue stars are big and hot, but burn so fast they have short lifespans. So short, it is unlikely life would have time to evolve there.
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The problem with red stars is that energy is quantized and the energy from a red star has less energy than a yellow star and this chemistry that is possible from a yellow star isn’t necessarily possible in a solar system with a red star. Considering we don’t know how life started on earth and what was necessary it may or may not even be possible with a red star.
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These videos are amazing! The images are almost unbelievable! Thank you for inspiring me to make my own YT channel 💛!
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As per Jack Cohen and Ian Stewart's "Evolving the Alien: The Science of Extraterrestrial Life" [2002]? - the book originating with a lecture that Cohen had revised over many years, which he called POLOOP, for "Possibility of Life on Other Planets".
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A Decade in Blue (Da Ba Dee) - eiffel65 "I'm Blue If I Was Green I Would Die, I'm Indeed I Will Die, If I Was Green I Would Die.."
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we keep searching for life that is like us, but if life can exist in places on earth that humans could not tolerate, then why couldn't there be developed life that don't require the same conditions?
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Hang on, isn’t alien life ‘grey’?
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Why do we call our sun yellow star when it emits black body radiation and peaks in the blue/green wavelength?
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No mention of alternate forms beyond carbon based life. Maybe a follow-up that goes back a stage to chemistry and discusses which elements could be built into chains (e.g. silanes) would be good.
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Thanx, I learned something today
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This was super interesting! Thanks for posting it.
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700 nm is NOT the Far-Infrared! 700nm is barely into the Near-Infrared. That’s why it’s called the Red Edge and not the Far-Infrared Edge! FIR is more like 100,000 nm! Sigh…
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It never ceases to amaze me the arrogance of scientists who think that they understand all the parameters constraining the formation of life.
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Cool! And I definitely opt for more David Bowie samples.
