The mass density of our universe is measured to be about 10-29 kg/m3. If an arbitrary point is chosen as the center, how

[answerhappygod]

The Mass Density Of Our Universe Is Measured To Be About 10 29 Kg M3 If An Arbitrary Point Is Chosen As The Center How 1 (60.38 KiB) Viewed 60 times

The mass density of our universe is measured to be about 10-29 kg/m3. If an arbitrary point is chosen as the center, how large is the radius of a spherical surface centered at the point so that the mass enclosed in the surface will become a blackhole observed by someone outside the surface? 42 billion light years 420 billion light years 4.2 billion light years 4.2 trillion light years