- 13,088
- 20,799
A recent calc I made got me to realize this, but our chart for estimating the AP of a black hole of a certain radius was not updated to account for our change to 5-A's baseline from 2.7 yottatons to 3.8 yottatons - based on the GBE of Uranus. So, I'd like to update that now.
I'll do this by using how we approximate the yield of black holes, but in reverse. First, I'll compare the yield of 3.8 yottatons (3800 zettatons) to the GBE of Earth (59.44 zettatons).
3800 / 59.44 = 63.93001346
So it's 63.93001346x that of Earth's GBE. By our standards, this also means such a black hole is about 63.93001346x the mass of Earth. Earth's mass is 5.972e+24 kg. This means the mass of the black hole would be:
5.972e+24 * 63.93001346 = 3.8179004e+26 kg (6393.001346% the Mass of Earth, 0.0191950749% the Mass of the Sun)
Lastly, I'll use this to calculate the new minimum Schwarzschild radius needed for a black hole to be 5-A.
r = 2GM/c^2
G = 6.6743e-11 Nm^2/kg^2
c = 299792458 m/s
M = 3.8179004e+26 kg
Therefore...
r = (2 * 6.6743e-11 * 3.8179004e+26) / 299792458^2
r = 0.56704680523 meters
This should be our new minimum radius for a black hole to be 5-A on our Black Hole Feats in Fiction page. Please let me know if you have any questions or if there's anything wrong, and with that, I open the floor for discussion!
Agree: Dalesean027, Chariot190, Mr. Bambu
Disagree:
Neutral:
I'll do this by using how we approximate the yield of black holes, but in reverse. First, I'll compare the yield of 3.8 yottatons (3800 zettatons) to the GBE of Earth (59.44 zettatons).
3800 / 59.44 = 63.93001346
So it's 63.93001346x that of Earth's GBE. By our standards, this also means such a black hole is about 63.93001346x the mass of Earth. Earth's mass is 5.972e+24 kg. This means the mass of the black hole would be:
5.972e+24 * 63.93001346 = 3.8179004e+26 kg (6393.001346% the Mass of Earth, 0.0191950749% the Mass of the Sun)
Lastly, I'll use this to calculate the new minimum Schwarzschild radius needed for a black hole to be 5-A.
r = 2GM/c^2
G = 6.6743e-11 Nm^2/kg^2
c = 299792458 m/s
M = 3.8179004e+26 kg
Therefore...
r = (2 * 6.6743e-11 * 3.8179004e+26) / 299792458^2
r = 0.56704680523 meters
This should be our new minimum radius for a black hole to be 5-A on our Black Hole Feats in Fiction page. Please let me know if you have any questions or if there's anything wrong, and with that, I open the floor for discussion!
Agree: Dalesean027, Chariot190, Mr. Bambu
Disagree:
Neutral:
Last edited: