It's strange to me

That Venus is similar to Earth (I believe it has been called "A Failed Earth") but Mars is more hospitable despite its radioactivity.

I always heard in school (many decades ago) that we would colonize Venus, never Mars.

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Tamara68 · 56-60, F

I remember that the other way around. Mars resembles earth more than Venus.

FoxyGoddess · 51-55, F

@Tamara68 I could be wrong. It was 40 years ago or so.

ThirstenHowl ·

Venus is too close to the sun for one thing, its average surface temperature is about 867 F (its dense CO2 atmosphere also causes a far worse greenhouse effect than on Earth)

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FoxyGoddess · 51-55, F

@ThirstenHowl https://www.sciencefocus.com/space/were-all-living-in-a-black-hole-the-bold-theory-scientists-cant-disprove

ThirstenHowl ·

@FoxyGoddess interesting, it does seem at least mathematically plausible ... but I still don't understand how we would be alive or intact, my understanding has always been that no matter can remain intact inside a black hole because it's all ripped apart

moreover, we still don't seem to know yet what happens to anything sucked into a black hole after being ripped apart, i.e., what's on the other end / side of a black hole, does everything get ejected out the other side? I thought quasars were the the other "end" but that apparently isn't accurate

FoxyGoddess · 51-55, F

@ThirstenHowl The way I see it, black holes are an unknown variable. We really don't know what happens in one because we've never actually witnessed it since it takes so long. So all we have is mathematics and quantum physics to make sense of it. But even quantum physicists have said some things don't work the way they should mathematically, l8ke particle vibrations. So who truly knows until it happens.

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