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A Very Dangerous Universe | National Geographic


tickets please ticket Dania we actually

tickets please ticket Dania we actually live an incredibly precarious place in

live an incredibly precarious place in

live an incredibly precarious place in the cosmos we live on the outer layers

the cosmos we live on the outer layers

the cosmos we live on the outer layers of a ball of molten rock that is itself

of a ball of molten rock that is itself

of a ball of molten rock that is itself a tiny speck around a small star that’s

a tiny speck around a small star that’s

a tiny speck around a small star that’s one of 200 billion stars in a galaxy

one of 200 billion stars in a galaxy

one of 200 billion stars in a galaxy that’s spinning its way through universe

that’s spinning its way through universe

that’s spinning its way through universe of 200 billion other galaxies it’s there

of 200 billion other galaxies it’s there

of 200 billion other galaxies it’s there are all sorts of very fast very

are all sorts of very fast very

are all sorts of very fast very dangerous objects racing around out

dangerous objects racing around out

dangerous objects racing around out there in the galaxy and if they come

there in the galaxy and if they come

there in the galaxy and if they come into our neighborhood they will do some

into our neighborhood they will do some

into our neighborhood they will do some very real damage just about all these

very real damage just about all these

very real damage just about all these objects reflect light so chances are

objects reflect light so chances are

objects reflect light so chances are we’ve see them coming from a very long

we’ve see them coming from a very long

we’ve see them coming from a very long way off there are other projectiles we

way off there are other projectiles we

way off there are other projectiles we would never see coming and one of those

would never see coming and one of those

would never see coming and one of those is called a primordial black hole a

is called a primordial black hole a

is called a primordial black hole a primordial black hole does not reflect

primordial black hole does not reflect

primordial black hole does not reflect any light therefore it’s essentially

any light therefore it’s essentially

any light therefore it’s essentially invisible to us what time are we

invisible to us what time are we

invisible to us what time are we beginning to date 30 minutes

a primordial black hole is different

a primordial black hole is different from these huge black holes we often

from these huge black holes we often

from these huge black holes we often read about it’s a theoretical space body

read about it’s a theoretical space body

read about it’s a theoretical space body that we believe is left over from the

that we believe is left over from the

that we believe is left over from the Big Bang it’s a very very small object

Big Bang it’s a very very small object

Big Bang it’s a very very small object it can be smaller even than an atom

it can be smaller even than an atom

it can be smaller even than an atom and yet it’s incredibly dense and heavy

and yet it’s incredibly dense and heavy

and yet it’s incredibly dense and heavy possessing perhaps one-tenth the mass of

possessing perhaps one-tenth the mass of

possessing perhaps one-tenth the mass of the earth and with those properties if

the earth and with those properties if

the earth and with those properties if one of them was to collide with the

one of them was to collide with the

one of them was to collide with the earth it could shoot through us like a

earth it could shoot through us like a

earth it could shoot through us like a bullet through an apple

see Harry look out at the sky are you

see Harry look out at the sky are you seeing this

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