How Shut Can a Black Gap Be to Earth?

published on July 3, 2020

did you ever wonder how dangerous being

neighbors with a black hole can be watch

the NASA video with the terrible details

of one of them having its lunch a black

hole with six million times the mass of

our Sun tore a star to pieces and

swallowed it

this happened in the constellation

Volans the flying fish at a distance of

375 million light-years from our solar

system but what if such a monster were

hiding near our cosmic border ready to

cross it at any time how close are black

holes to the earth and at what distance

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join them at the very center of our

galaxy

there's a giant similar to the one that

tore apart the star in the constellation

flying fish this is the supermassive

black hole Sagittarius a star which has

a mass 4 million times that of our Sun

like its brothers Sagittarius a star

feeds on cloud

gas and dust along with other celestial

bodies that are affected by its gravity

but don't be scared this monster is

located twenty-five thousand six hundred

and forty light-years from Earth

astronomers believe that at such a great

distance

it doesn't pose a threat to our planet

in addition to Sagittarius a star in the

Milky Way galaxy according to some

estimates another several million black

holes about 30 times heavier than our

Sun are hiding somewhere out there

although astronomers have not found any

of them in dangerous proximity to our

solar system while the closest candidate

among black holes near us v6 1-6 mon was

found by scientists in the Monoceros

constellation it's located in a binary

system at a distance of three thousand

light-years from the earth paired with a

star with a mass equal to half that of

our Sun in second place at seven point

eight thousand light-years away is

Cygnus x1 which is also part of a binary

system by the way until 2009 it was

believed that V 404 signe was twice as

far from our planet however with the

help of an array of new generation high

sensitivity array radio telescopes

astronomers were able to accurately

determine its location they tracked how

the position of V 404 signe is shifting

in the sky as the Earth rotates around

the Sun this method is called parallax

measurement it's used to establish the

distance of space objects new equipment

made it possible to evaluate the

position of v4 for signal taking into

account the influence of a rather dense

layer of dust in galactic space it's

noteworthy that this black hole also has

a partner star this is

includes a blue giant with variable

brightness designated HDE 2 2 6 8 6 8

but generally only a small part of these

space objects in the galaxy are in

binary systems it's easier for

astronomers to find them paired with

stars light can't escape the area of a

black hole it cannot be seen directly

and the source of x-ray radiation in

space is a binary system where a young

large star is paired with either the

remains of a neutron star or a black

hole

astronomers can detect these

astrophysicist Charles Halley from

Columbia University New York and

colleagues recently examined data on

radiation emitting from space from

NASA's Chandra x-ray Observatory

scientists have discovered 12 low mass

binary systems of stars with black holes

in the center of our galaxy

however astronomers hope that over time

they'll be able to identify individual

black holes and one day they'll find

that one of them is not far from Earth

we just don't know about it yet the

black holes we can't see are likely to

be very dangerous neighbors it's better

to be as far away from them as possible

because we're talking about space

objects with an incredibly high density

of matter the matter there is compressed

so densely that the earth under such

compression would become the size of a

peanut space and time inside the black

holes ceased to have any meaning and all

the laws of physics known to us which

can explain these two concepts are no

longer relevant gravity in black holes

is immeasurably high and draws inward

all celestial bodies that fall in the

way even light is not able to break out

of this

abyss hypothetically according to some

estimates a spaceship weighing 24

million tons would be able to escape

from the force of a black hole's gravity

this giant will need more than two

octillion that's 2 times 10 to the 27

power joules of energy to free itself

from the captivity of a black hole whose

mass is just over 1 non million this is

a unit with 30 zeros or 10 to the 30th

power kilograms or 22 non million

that's 22 times 10 to the 30th power

pounds unfortunately the creation of

such a heavy and powerful craft is not

yet possible even in theory scientists

claim that a black hole could catch our

planet in a gravitational trap at a

maximum distance of several tens of

light-years in this case it will first

tear the earth to pieces and then

swallow it however even if the black

hole appears a little further away we

still shouldn't expect anything good the

monster is strong enough to create a

catastrophe in the solar system in the

best case its gravity would somewhat

push the planet out of its orbit or send

it closer to the Sun then we would

suffer from numerous natural disasters

and in the worst case scenarios the

earth would fall into the Sun or go into

the depths of space dooming us to an icy

death but this hasn't happened even once

in billions of years so most likely

there's no black hole dangerously close

to the earth the Sun fortunately will

also never turn into an invisible

monster to do this it should have 10 to

15 times more mass than it does now only

under such a condition could

gravitational collapse occur when under

the influence of

the matter of a star literally collapses

to one tiny point stars in neighboring

galaxies are also not suitable for the

role of potential black holes most of

them are red dwarfs greatly inferior to

our Sun in Mass here we should sigh a

breath of relief and believe that this

cosmic danger doesn't threaten us but no

it turns out there are wandering

supermassive black holes most likely

they're pushed from their home by the

process of merging galaxies this

hypothesis of wandering supermassive

black holes was put forward by one

Michel Tremmel and his colleagues from

the Yale Center for astronomy and

astrophysics according to the scientist

during a merger a supermassive black

hole will be ejected from the center of

a smaller galaxy to the periphery of the

newly formed structure to test the

hypothesis the researcher conducted a

computer simulation of the collision of

galaxies with different masses it

confirmed the possibility that a black

hole from one of them would go wandering

then there's a chance that someday one

of these Wanderers decides to visit our

Sun to determine if dangerous guests are

threatening us scientists used Romulus

simulations the purpose is to create

computer simulations of the evolution of

galaxies researchers have studied the

dynamics of the alleged wandering black

holes in the Milky Way it turned out

that converges with one of these

Wanderers capable of affecting our solar

system could occur approximately every

100 billion years this is almost 7 times

the age of the universe 138 billion

years and it's unlikely that we will

ever see such a guest

unless one day we ourselves invite a

black hole of course now it sounds

fantastic

but scientists are already making plans

for this thus and astrophysicist from

Columbia University

David kipping said that the attraction

of black hole pairs will give us the

ability to fly through the galaxy at an

incredible speed

his idea is to direct photons around the

black hole and then use the extra energy

they receive to propel a light sail

there are millions of black holes in

space according to kipping in the future

humanity will turn them into a kind of

astronomical fuel for interstellar

flights and the famous theoretical

physicists and cosmologists Stephen

Hawking admitted that a miniature black

hole the size of a mountain could

someday appear in low-earth orbit then

it could be used as a power station such

a miniature black hole should emit

x-rays and gamma rays with an intensity

of about 10 million megawatts which is

enough to provide energy to our entire

planet and if one day astronomers

discover a black hole near the earth

perhaps this won't be a catastrophe but

a new advance in development for mankind

do you think it's worth the risk

for such amazing opportunities let us

know in the comments if you liked the

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all the most interesting stuff about the

incredible mysteries of space and the

achievements of science are yet to come

until next time

[Laughter]

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