Unclear Engineer

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    Unclear 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...

    Thursday at 5:17 PM
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    Unclear 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.

    Thursday at 7:55 AM
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    Unclear 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...

    Wednesday at 8:05 PM
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    Unclear 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...

    Wednesday at 10:04 AM
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    Unclear 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...

    Tuesday at 7:01 PM
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    Unclear 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...

    Tuesday at 6:12 PM
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    Unclear 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...

    Tuesday at 5:34 PM
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    Unclear 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...

    Tuesday at 4:26 PM
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    Unclear 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...

    Tuesday at 12:48 PM
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    Unclear 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...

    Tuesday at 11:19 AM
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    Unclear 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,"...

    Tuesday at 10:12 AM
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    Unclear 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...

    Tuesday at 8:42 AM
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    Unclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.

    When did you predict volcanism on Io and plumes of water vapor being emitted from Enceladus? When do yo predict that humans will create...

    Tuesday at 8:33 AM
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    Unclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.

    "Life on Earth" is indeed a "small box" for thinking about what else might exist in the universe. For instance, you posted about "those...

    Monday at 9:09 PM
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    Unclear Engineer replied to the thread NASA's Mars exploration plans need 'paradigm shifts' to succeed, report finds.

    Contrarian, your thinking seems to be limited to a very small "box". The previous article to this one in Space.com was...

    Monday at 5:43 PM

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