What is a black hole?

Black holes are extremely compact space
objects that were once massive stars. Sometimes
a huge star begins to shrink until it is smaller
than an atom. This is called a black hole. The
centre of the black hole is called ‘singularity’.

The gravity near this point is so strong that any
object that gets too close to the black hole is
pulled into it. Even light gets sucked into it,
which is why we can’t see a black hole. Scientists
use special instruments to detect a black hole’s
presence. They examine the effects it has on
the objects near it

Black hole
Nobody can actually see
a black hole, because the
extremely strong gravity
inside them does not even
allow any light to escape,
let alone anything else.
This is an artist’s
impression of what a
black hole may be like.


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