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Good news. Seems then that an Armageddon type of event would not extinguish all life on earth.
by mongol 3y ago
Good news. Seems then that an Armageddon type of event would not extinguish all life on earth.
- temp0826 3y agoThink bigger with your mass extinction events! Maybe a rogue blackhole zipping through the inner solar system and ripping the crust off the planet like a ripe tangerine.
- huytersd 3y agoHonestly I don’t think anything could extinguish all life on earth short of maybe 20 comets hitting earth at the same time or something.
- samplatt 3y agoI wonder how long it'd take for life to leave after Earth leaves the goldilocks zone. How much life would there be after the oceans have evaporated and stripped into space? If life could evolve to not require water at all, maybe it could survive until the sun physically envelops the planet.
- antonvs 3y ago20 comets (or asteroids) wouldn’t even come close to doing it. Events like that can cause extinctions of many ecosystems, by many others will be essentially unaffected. Microbes in the sediment below the seafloor are a good example. They wouldn’t even notice the comets.
- pfdietz 3y agoThe slow and inexorable brightening of the Sun (it's already 30% brighter than when it settled onto the Main Sequence) will eventually cause a runaway greenhouse effect. The oceans will all be converted to steam and the surface temperature will be far beyond what life could survive. After that things only get hotter until the Sun enters its end stages and leaves the Main Sequence.
- BurningFrog 3y agoA hot surface does very little to life several miles below it.
- pfdietz 3y agoSince heat is flowing out of the Earth, the temperature below will eventually become hotter than the temperature at the surface.
- non-chalad 3y ago[flagged]
- OsrsNeedsf2P 3y ago2.8 billion years[0] is the high estimate before _all_ remaining life on earth goes extinct. Likely including these little buggers. [0] https://en.wikipedia.org/wiki/Timeline_of_the_far_future https://en.wikipedia.org/wiki/Timeline_of_the_far_future
- PostOnce 3y agobased on our current knowledge, not only of the science that we can extrapolate to the future, but of our technology and how we will apply it note that that list is all negative things we suspect will happen and include no accounting for our own intervention in matters
- zehaeva 3y agoI'm not sure how anyone's intervention could ever withstand some of these effects. I could foresee maybe a sun shade of some sort to help mitigate the increase in temperature, but at some point the sun is going to envelope the earth. Also, this several billion years into the future. Anyone left wouldn't be anything you could remotely call human. Evolution hasn't stopped in humans.
- stuart73547373 3y agoiirc we could plausibly move to Titan and live off nuclear energy
- science4sail 3y agoWhy not just move the Earth? You could do that over a few million years using a gravity tractor. https://en.wikipedia.org/wiki/Gravity_tractor https://en.wikipedia.org/wiki/Gravity_tractor
- BurningFrog 3y agoI remember reading somewhere that that may have saved life on Earth at least once.