Theoretically, the minimum mass of a black hole, formed from the collapse of a dying star�s core, is roughly?
A. 1.4 solar masses
B. 3 solar masses.
C. 0.5 solar masses.
D. 10 solar masses.
The effective "surface" of a black hole, within which light cannot escape, is called
A. the accretion disk.
B. an event horizon.
C. a singularity.
D. a stellar core.
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B. (http://www.budgetastronomer.ca/index.php?page=stel...
B. an event horizon
The sunlight's mass is plenty too low to grow to be a black hollow, yet whether it did grow to be a black hollow, the orbits of the planets and each little thing else around the sunlight will stay unchanged. From a distance, a black hollow's gravity will act upon yet another physique a similar way because of the fact the gravity of the different merchandise of a similar mass on a similar distance. for this reason the Earth will stay wonderful the place it truly is been for a number of billion years. Newtonian physics applies completely to how a black hollow's gravity impacts yet another merchandise till it gets interior some tens of radii of the black hollow. Observations of X-ray binary stars the place one famous guy or woman collapsed right into a black hollow at a similar time as the different one remains a classic hydrogen fusing famous guy or woman proves this.