Page 19 - Lavender-B-6
P. 19
Not even light
comes out of a black hole.
The event horizon of the
Can nothing black hole is the point of no
come out of a return. Anything that falls
black hole? into the event horizon is
lost forever to the
outside world.
Reyhaan shudders but Maya has more questions.
How many
black holes are
there in the
universe?
Nobody is really sure.
But scientists guess that there is,
perhaps, one black hole for every
thousand stars in the universe. If this
is right, then there are a billion billion
black holes in total. There is a huge one
right in the middle of our galaxy,
with a mass of more than
a million suns.
Reyhaan and Maya look nervous. Ava assures them that it is far, far away. About 30 million billion
kilometres away.
mass: weight of an object
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