Unclear Engineer's latest activity
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UUnclear Engineer replied to the thread What has to happen in 2025 to move the UAP story forward?.Seems pretty odd that intelligent aliens who are trying to deliver an important message to humans would confine themselves to...
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UUnclear Engineer replied to the thread Just a fraction of the hydrogen hidden beneath Earth's surface could power Earth for 200 years, scientists find.https://www.dnv.com/article/is-hydrogen-a-greenhouse-gas--243214/
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UUnclear Engineer replied to the thread Ominous milestone for the planet': Arctic Ocean's 1st ice-free day could be just 3 years away, alarming study finds.Ravens, the atmospheric CO2 levels have ranged well above 300 ppm in the past, without any inputs from humans. Here is a graph of the...
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UUnclear Engineer reacted to Joexo's post in the thread How the 'Great Filter' could explain why we haven't found intelligent aliens with
Like.
Couldn't also be the case that civilizations are so incredibly rare that maybe one or two happen per galaxy? I don't see why we should... -
UUnclear Engineer replied to the thread Extraterrestrial life may look nothing like life on Earth − so astrobiologists are coming up with a framework to study how complex systems evolve.Part of the problem with "lab experiments" that try to create life is that none have yet been performed for a billion years.
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UUnclear Engineer replied to the thread Human artifacts abandoned on Mars should be cataloged to track our migration beyond Earth.This has been an actual debate for some time. See...
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UUnclear Engineer replied to the thread Human artifacts abandoned on Mars should be cataloged to track our migration beyond Earth.Because we have detailed records of what got sent, where it landed or crashed, and where it crawled or flew, I don't see any big problem...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.Another aspect about the potential ages of civilizations on other star systems is the behavior of the central black hole in their...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.No cycling intended for the NASA process, except that astronauts will probably be breathing the oxygen and exhaling the CO2, thus using...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.It is a harvest of energy from the environment. How that energy gets transferred around in an ecosystem depends on how that ecosystem...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.Well now, the "synthetic biology" described in your link for "decontaminating" the Martian soil of perchlorates seems like that "energy...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.The post that got us into this thread drift was mine regarding planning to avoid contamination of Mars with terrestrial life signatures...
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UUnclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.There is also the hypothesis that Earth was frozen over well after life originated here. See...
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UUnclear Engineer replied to the thread NASA astronaut Suni Williams poses with adorable tentacle-armed Astrobee robot on ISS (photo).Interesting article. Editorial comment: " issues with the Starliner spacecraft that rendered it unable to carry them back to Earth,"...
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UUnclear Engineer replied to the thread Trump may cancel NASA's powerful SLS moon rocket – here's what that would mean for Elon Musk and the future of space travel.Hobart is correct for a direct reentry. But, if the returning ship has the fuel to slow down enough to enter Earth orbit, it will be...
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