This video is sponsored by fishing clash since the 1970s we've known something is wrong something
is lurking hidden behind the dust and gas of our galaxy so completely that our best telescopic eyes
cannot find it but it's there and while Edwin Hubble told us the universe is flying apart
in all directions there is more to the story than the spreading of galaxies spawned by the big bang
a lot more while apocalyptic scenarios are a dime a dozen these days this one beckons from across
the universe like a great cosmic monster that is slowly gobbling up all that enters its domain
an intergalactic venus fly trap snaring its prey before it can escape it's the Great Attractor
named by astronomer Alan Dressler and like it or not our galaxy and every other galaxy in our
subdivision of the universe is racing towards it right now welcome the Factnomenal in today's video
we dive into this fascinating and perhaps deadly corner of space that has us in its intractable
grasp and something even larger that is grasping at that very thing itself is it our ultimate doom
the solid earth under our feet and our stationary world are illusions on the highest scale we stand
on plates that move like ships on the sea covering a planet spinning at roughly 1,000 miles or 1,600
kilometers per hour all while orbiting the sun at about 67,000 miles or 107,000 kilometers per hour
the only reason we are not hanging on for dear life is that we are moving with it
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our sun is moving as well and taking us along for the ride as it orbits the center of our galaxy
and sagittarius a its supermassive black hole at a blazing 137 miles or 220 kilometers per second
how fast is this if the earth moved around the sun this fast our years would only be 18 days long
and birthdays would come around much more often but the Milky Way is hurtling through the universe
at a speed that makes this seem almost stationary a blindingly fast 1.3 million miles or 2.2
million kilometers per hour and what it's racing towards is drawing every cosmically near object
into its grasp if only we could see exactly what the great attractor is the big bang tells
humanity that every point in the universe should be getting farther away from every
other point as space itself has been stretching and carrying matter with it but matter attracts
matter and something is overpowering the big bang initiated movement and drawing our galactic
neighborhood towards it instead so why can't we see it some say the world will end in fire
some say in ice but is its end a hidden point in space that we cannot see but are speeding towards
right this moment and why can't we see it since we have gotten pretty adept at peering into the
cosmos over the past few centuries the reason is the quaintly named zone of avoidance a part of the
sky that is in the general direction of the center of our milky way our galaxy's disc and the stars
gas dust and more stars and gas that occupy the hazy area do a great job of blocking our vision
into this critical area where like it or not we are all headed it consists of large parts of the
galactic equator and obstructs roughly 20 percent of our view outside of the Milky Way using visible
wavelengths so when we look in this direction with our telescopes what we see or do not see
does not explain why we are being pulled there at such an extreme speed when the great attractor
was discovered in the 1970s by astronomers making detailed maps of the cosmic microwave background
our vision was limited largely to visible light but not so much anymore we detected movement
that should not be there by finding one side of the milky way is slightly warmer than the other
not a lot to go on but fortunately our detection methods have improved in the decade since
with x-ray technology and radio astronomy advancing exponentially in recent years
we now have a much better idea of what is behind the zone of avoidance
and maybe even why we are inextricably being pulled into that fateful direction
in the late 1990s and early 2000s the iconic parks radio telescope in new South Wales
began using an innovative instrument to make sweeping radio surveys of the heavens
these previously impossible blind explorations of parts of the universe we will never see from earth
with our eyes peered straight through the zone of avoidance like it's not even there and what
it saw relatively speaking pushed astronomers closer to knowing what our eyes will never see
mass is attracted to mass something roughly 150 million light years from us is drawing us into its
grasp this much we know and since gravity is the only force that we are aware of that could pull
so much over so far something massive even on the universal scale must be there
the first suspect found by the sweeping radio survey by parks which took a decade to even
sift through is the norma cluster with a mass of about 1,000 trillion suns and consisting
of thousands of galaxies not to mention its location in the area of the great attractor
maybe that's the cause of our motion towards that fateful area but no there's
not enough mass even in the norma cluster to account for the unimaginably powerful pull
here's where it gets a bit complicated the great attractor and normal cluster
occupy the same general area but the mass of the great attractor has to be something more
most astronomers believe it is the gravitational center of the Lanakia Supercluster which our
milky way and 100 000 other galaxies belong to still others credit a confluence of dark energy
now let's move from complicated to strange the great attractor itself is being pulled seriously
some believe the Great Attractor is being drawn to the shapley super cluster a grouping of some 8,000
galaxies roughly 650 million light years away that has also been suspected to be the great attractor
itself and that cosmic neighborhood hosts another prime suspect the villa supercluster discovered in
2016 by astronomers at the University of Cape Town in South Africa it resides roughly 800 million
light years away and like shapely has been hidden behind the zone of avoidance it contains up to 100
000 galaxies seemingly enough to be the draw for the Great Attractor itself and making Lanakia seem
rather puny according to Dr. Matthew Collis from the Australian national university
the vela supercluster might explain the difference between the measured motion of the milky way
and the motion predicted from the distribution of previously mapped galaxies we got all but about
10 of the motion figured out now we've found the vela super cluster this might be the final
bit of the puzzle to make it all add up meaning there are still loose ends to be tied up before
our being pulled into the great cosmic pile pileup is completely explained so are we doomed
to be dragged into this intergalactic heap that ends the universe as we know it most scientists
say no and for multiple reasons some believe that the universe ends in the big crunch
the culmination of clumping together that theoretically could result in another big bang
and many credit dark energy with ultimately ripping these super clusters apart
and driving them away from each other thus thwarting our cosmic collision before it happens
so what do you think about our being pulled towards the Great Attractor and even beyond
is it unsettling to know that we are being pinballed around the universe in ways we are
just now discovering tell us in the comments and as always thank you for watching fact nominal
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