Discussion on answer by Rob Jeffries: What is the hottest thing in the universe?

Imported from a comment discussion on https://astronomy.stackexchange.com/questions/33018/what-is-the-hottest-thing-in-the-universe/33019#33019

2019d ago – Rob Jeffries

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Hearth

Aug 16, 2019 13:32

"opaque to neutrinos" is certainly a phrase I didn't expect to see today.

Cacahuete Frito

Aug 16, 2019 13:32

@RobJeffries For me a billion is 10^12. That's why. SI is the international system of units. Billion is clearly not SI. A European here :)