Science Memes

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Seconds (mander.xyz)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 39 points 2 months ago (1 children)

Set G = 1 and c =1. Then equations like r = 2m make dimensional sense.

[–] [email protected] 56 points 2 months ago (1 children)

My brother, that explanation is not nearly dumbed down enough and as with most math wiki is useless for eli5 stuff.

[–] [email protected] 43 points 2 months ago (1 children)

I think a lot of people understand the concept of light-seconds, which can measure distance in seconds.

Allow me to introduce the gravity-second. 1 gravity-second of mass-energy is enough mass-energy to have a Schwarzchild radius of 2 light-seconds.

[–] [email protected] 21 points 2 months ago (1 children)

I get what you're saying but am still too dumb to understand it lol

[–] [email protected] 34 points 2 months ago (1 children)

Size of a black hole.

Certain mass = certain distance

Distance = seconds

Therefore mass = seconds

[–] [email protected] 9 points 2 months ago (1 children)

Then I don't even want to be in same solar system with millisecond heavy object.

[–] [email protected] 9 points 2 months ago

You most certainly don't, that's a radius of about 300km (186 miles) and a mass of 101 suns.

Even if you meant microsecond, that's 1/10 of the sun, and would be very disruptive.