Dark Matter Does Matter! | National Geographic

we know that there’s this mysterious

we know that there’s this mysterious matter this extra mass out there but we

matter this extra mass out there but we

matter this extra mass out there but we can’t quite put our finger on it we

can’t quite put our finger on it we

can’t quite put our finger on it we don’t know exactly what it is it’s ghost

don’t know exactly what it is it’s ghost

don’t know exactly what it is it’s ghost matter it doesn’t glow it doesn’t

matter it doesn’t glow it doesn’t

matter it doesn’t glow it doesn’t reflect light but it adds to the

reflect light but it adds to the

reflect light but it adds to the gravitating mass of objects and if such

gravitating mass of objects and if such

gravitating mass of objects and if such a clump of material passes through or

a clump of material passes through or

a clump of material passes through or near our solar system its gravitational

near our solar system its gravitational

near our solar system its gravitational force could have a profound effect it is

force could have a profound effect it is

force could have a profound effect it is our conclusion that these perturbations

our conclusion that these perturbations

our conclusion that these perturbations are being caused due to a concentration

are being caused due to a concentration

are being caused due to a concentration of dark matter near our solar system it

of dark matter near our solar system it

of dark matter near our solar system it would pull gravitationally on all of the

would pull gravitationally on all of the

would pull gravitationally on all of the planets and offset the planets from

planets and offset the planets from

planets and offset the planets from their current rather delicate orbits in

their current rather delicate orbits in

their current rather delicate orbits in time this instability could grow were

time this instability could grow were

time this instability could grow were and manifest itself as orbits that

and manifest itself as orbits that

and manifest itself as orbits that slowly expand so what would happen if

slowly expand so what would happen if

slowly expand so what would happen if Earth’s orbit was altered taking us out

Earth’s orbit was altered taking us out

Earth’s orbit was altered taking us out of the only path that Earth’s life has

of the only path that Earth’s life has

of the only path that Earth’s life has ever known

our very existence is made possible

our very existence is made possible because we happen to live at the perfect

because we happen to live at the perfect

because we happen to live at the perfect distance from the Sun this thin band of

distance from the Sun this thin band of

distance from the Sun this thin band of livable space is known as the Goldilocks

livable space is known as the Goldilocks

livable space is known as the Goldilocks zone it’s not too hot it’s not too cold

zone it’s not too hot it’s not too cold

zone it’s not too hot it’s not too cold for all life on earth it’s just right

for all life on earth it’s just right

for all life on earth it’s just right if earth would have leave the Goldilocks

if earth would have leave the Goldilocks

if earth would have leave the Goldilocks zone life for humankind and everything

zone life for humankind and everything

zone life for humankind and everything we know would be changed forever the

we know would be changed forever the

we know would be changed forever the size of the orbit was to grow then the

size of the orbit was to grow then the

size of the orbit was to grow then the winters would get much much colder and

winters would get much much colder and

winters would get much much colder and the global temperatures would drop

the global temperatures would drop

the global temperatures would drop significantly projections show that

significantly projections show that

significantly projections show that Earth’s orbit will continue to spiral

Earth’s orbit will continue to spiral

Earth’s orbit will continue to spiral away from the Sun as it does earth’s

away from the Sun as it does earth’s

away from the Sun as it does earth’s temperature will fall it will drop one

temperature will fall it will drop one

temperature will fall it will drop one degree per year in 20 years it will be

degree per year in 20 years it will be

degree per year in 20 years it will be freezing at the equator 96 years from

freezing at the equator 96 years from

freezing at the equator 96 years from now the average global temperature could

now the average global temperature could

now the average global temperature could be minus 430 degrees