Answer to Question #173607 in Astronomy | Astrophysics for ANJU JAYACHANDRAN

Question

1e) The average density of a white dwarf of radius 109

cm is 106

gm/cm3

. Is general

theory of relativity needed to study the dynamics of this star? What happens if the

star shrinks to a radius thousand times smaller?

Answer 1

Yes,theory of relativity needed to study , because general theory of relativity tells us about space, time and gravity.

As if star shrinks to a radius thousands time smaller , then it will become black hole.