hello friends and welcome to simple yet
astonishing and this is the part 2 of
dangerous space debris that could
possibly wipe out humanity but for
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galaxy collisions galaxies are held
together with just one object and those
are black holes and these black holes
also have a name supermassive black
holes like the one at the centre of our
galaxy Sagittarius a and it's size is
mind-boggling about 22 million
kilometers wide which is huge about 4
million times our solar system's mass
and so the consequences would be really
devastating number 6 supernovas never
seen an explosion a supernova is just
that taken to the next level
imagine a universal explosion we don't
know when they will explode now or even
in the million years and stars like
Betelgeuse the next node at any time and
they're at a very small distance from
the earth but what makes it so strong is
its ability to tear apart the ozone
layer if it's gamma rays emissions does
the earth the all life on earth would be
gone and humanity just cannot stop it
number seven pulsar a pulsar is
basically a very fast rotating neutron
star many huge star dies a neutron star
is formed but these are pretty small as
compared to the late star and a very
dense so dense that if you had a
teaspoon of it
would weigh as much as a mountain they
also a super strong magnetic fields but
they do think that make it even more
dangerous is the gamma rays and
electromagnetic radiation racket em it's
not so pleasant and so thank you for
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