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tvickery 2 days ago

I know it’s incredibly, vanishingly unlikely but what would happen if an object with these characteristics smacked into Earth?

ra 2 days ago | parent | next [-]

With this much mass and velocity - it would smash the planet, rupturing the entire crust at the very least.

No matter how infinitesimally small the probability - the universe is infinite, and so it probably will happen.

i3 is much bigger than the Chicxulub asteroid that ended the Cretaceous period (and extinct all non-avian dinosaurs).

_joel 2 days ago | parent | prev | next [-]

The end, unless you're a small proto-mammal ;).

An object (depending on consistency) of about 100m is enough to wipe out a city and do enough damage to the environment. Something of 8-20km is in the same category as what wiped out the dinosaurs (10-15km).

padjo 2 days ago | parent | next [-]

It’s going at 68km/s so I think even microbial life could be in trouble.

_joel 2 days ago | parent [-]

You could very well be right!

AlexGizis 2 days ago | parent | prev [-]

Seems like it arrives with a bit more energy than a 10 on richter scale: https://www.edinformatics.com/inventions_inventors/richter_s...

No, I can’t really imagine what that means, either.

MaxikCZ 2 days ago | parent | prev [-]

8-22km at interstellar speeds? Probably total extinction level.