Author Question: Theoretical calculations indicate that a star more massive than some threshold around 15 or 20 solar ... (Read 17 times)

Pineapplelove6 · **on:** Jul 27, 2018

Theoretical calculations indicate that a star more massive than some threshold around 15 or 20 solar masses will collapse and become a black hole when its nuclear fuel is exhausted.

Indicate whether the statement is true or false

Question 2

In the context of neutron stars, if pulses from pulsars are no longer than 0.001 second, then the objects are larger than 0.001 light-second, or 300 km in diameter.

Indicate whether the statement is true or false