Astrobiology   641

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Rebecca Boyle, "Searching for Life in a Martian Landscape," The Atlantic
This liminal state, between finding and not finding, is characteristic of astrobiology in general. We don’t know whether we’re alone, but we don’t know whether we aren’t. We do know that there is one planet with life, and on this planet, life is everywhere; because of us, we can be sure life in the universe is possible. If we don’t find life on Mars pretty soon, or on Enceladus or Titan or Europa or Trappist-1b, that doesn’t mean we should stop trying. But it’s also possible that life has happened only once. We might be it.
astrobiology  AtacamaDesert  Chile  TheAtlantic  RebeccaBoyle  AlienLife  bacteria 
9 days ago by briansholis
Twitter
RT : Our latest star chart with all the stars with known potentially habitable worlds.
astrobiology  exoplanets  from twitter_favs
29 days ago by alvar
Meet the Endoterrestrials - The Atlantic
Even as Onstott awaits those results, he is starting to consider an even more radical possibility: that deep-dwelling microbes don’t just feed off of earthquakes, but might also trigger them. He believes that as microbes attack the iron, manganese, and other elements in the minerals that line the fault, they could weaken the rock—and prime the fault for its next big slip. Exploring that possibility would mean doing laboratory experiments to find out whether microbes in a fault can actually break down minerals quickly enough to affect seismic activity. With a scientist’s characteristic understatement, he contemplates the work ahead: “It’s a reasonable hypothesis to test.”
astrobiology  microbiology  told-em-so  it's-a-microbial-world 
12 weeks ago by Vaguery
Superhabitable planet - Wikipedia
They propose clarifications because a circumstellar habitable zone (HZ) is not enough to define a planet's habitability.[3] Heller and Armstrong state that it is not clear why Earth should offer the most suitable physicochemical parameters to living organisms.
wikipedia  article  astrobiology 
september 2018 by AleatoricConsonance
Twitter
This is where the real ✨magic✨ happens! (Turning lab work into papers!)
astrobiology  internabby  from twitter_favs
june 2018 by jeffharbert
Was There a Civilization On Earth Before Humans? - The Atlantic
It’s not often that you write a paper proposing a hypothesis that you don’t support. Gavin and I don’t believe the Earth once hosted a 50-million-year-old Paleocene civilization. But by asking if we could “see” truly ancient industrial civilizations, we were forced to ask about the generic kinds of impacts any civilization might have on a planet.
science  civilization  archaeology  history  Astrobiology  geology  anthropocene 
april 2018 by kybernetikos

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