So I’m not gonna lie, doing some research for a thing I’ve been writing, and this is where physics broke my brain. “...confined in a volume with a radius no more than 17 light-hours (120 AU).”pic.twitter.com/CmXaHY3yFE
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On the one hand, that we manage to exist when so much of the universe is, if not hostile to us, absolutely indifferent and operating on scales beyond our scope is maybe special. On the other hand, that the vast majority of the universe is beyond our grasp is very humbling.
I've always liked this presentation of the scale of space. https://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html …
Oh, no big deal, just 4x the orbit of NEPTUNE.
That’s literally in your backyard
“Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space.”pic.twitter.com/sP9BzdHVkH
Ethan Siegel just tweeted a thing that might interest you: https://twitter.com/startswithabang/status/1260089459468460032?s=21 …https://twitter.com/StartsWithABang/status/1260089459468460032 …
Cool article, thanks!
Better expressed as approximately 2.5 times the average radius of the solar system exclusive of the Oort cloud.
That’s just slightly less than the distance from us to Voyager 2 right now. It was launched in 1977.
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