Question

what causes the black hole and what are the mysteries of blackhole? ​

Answer 1

Answer:

it is hypothetically said that Black hole is formed due to collapse of the centre of two bigger star.

the the mysteries in Black hole was

how the black hole formed.

why all the object attracted towards the black hole.

what is the reason an object attracted towards black hole.

etc

Answer 2

$\huge\bf\red{AnswEr:-}$

$\bigstar$Black holes of stellar mass are expected to form when very massive stars collapse at the end of their life cycle.

$\bigstar$ After a black hole has formed, it can continue to grow by absorbing mass from its surroundings.