Question

when a star reaches the black hole stage of its life

it is a very old star
it will give off new energy
it will grow in size
it is still a young star

Answer 1

A?

Answer 2

(c)

Answer 3

old star is not related as soon as iron is devloped in it's core it will destro:)

Answer 4

so it can take 100years 100000years or much more but it will first expand then shrinks to point having infinite gravity and then boomb:)

Answer 5

@AriPotta ?!

Answer 6

no idear.

Answer 7

sorry :/

Answer 8

i m in astronomical research field that's y i m telling this to you:)

Answer 9

we should trust him with our lives.

Answer 10

lol i swear i think its A............

Answer 11

no i can give video on it...........

Answer 12

"very old star" isn't really scientific lol

Answer 13

but a black hole is when a star is from old age-death