«You are older than you think — or at least, some of the iron in your blood is older, formed in
galaxies millions of light years away and billions of years ago,» Simionescu said.
Enormous black holes in
galaxies millions of light years away are pelting us with energetic particles.
It's been a few hundred years now without an adequate explanation of why dinosaur fossils exist, or how we can see light from
galaxies millions of light years away.
Enter one of these tunnels through space - time, and a few short steps later you may emerge near Pluto or even in the Andromeda
galaxy millions of light years away.
Not exact matches
This «hole in space» is a 300
million light year gap in the distribution
of galaxies, has taken cosmologists by surprise, not because it exists, but because it is so big.
An astronomer is investigating the spectrum
of light from a
galaxy a
million light -
years away.
It is hard to believe that a
galaxy 100
million light years away, that we can't even see, was created as part
of a god's plan for man.
If the
galaxy is 2
million light -
years away, then we are viewing it as it was 2
million years ago because that is how long the
light traveled, undisturbed through vast stretches
of empty space, before it reached us.
On Sept. 20, 2016, Buso
of Rosario, Argentina, was testing a new camera on his 16 - inch telescope by taking a series
of short - exposure photographs
of the spiral
galaxy NGC 613, which is about 80
million light years from Earth and located within the southern constellation Sculptor.
Befitting its «high definition» moniker, HDST's huge mirror could capture features the size
of Manhattan in the cloudscapes
of Jupiter and track the motions
of individual sunlike stars in
galaxies up to 30
million light -
years away.
An international team
of astronomers has determined that Centaurus A, a massive elliptical
galaxy 13
million light -
years from Earth, is accompanied by a number
of dwarf satellite
galaxies orbiting the main body in a narrow disk.
The gravitational swell originated more than 750
million light -
years away, where the high - speed dance
of two converging black holes shook the very foundation upon which planets, stars and
galaxies reside.
Perseus Cluster A group
of more than a thousand
galaxies located 250
million light -
years from Earth.
Nevertheless, on Nov. 11, 2014, a global network
of robotic telescopes named ASASSN (All Sky Automated Survey for SuperNovae) picked up signals
of a possible tidal disruption flare from a
galaxy 300
million light years away.
In the center
of a distant
galaxy, almost 300
million light years from Earth, scientists have discovered a supermassive black hole that is «choking» on a sudden influx
of stellar debris.
The Chandra results show that a supermassive black hole in the heart
of the Perseus
galaxy cluster, 250
million light -
years from Earth, generates enough
of a sonic wallop to do the job.
In a recent paper published in The Astrophysical Journal, Boorman (and colleagues from the NuSTAR active
galaxies science team) described how data from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has been used to study the intrinsic behaviour
of a «hidden» supermassive black hole in a
galaxy nearby to our own — IC 3639 — some 175
million light years from Earth, relatively close by in cosmic terms.
Because the
galaxy is only 2.5
million light -
years from Earth, it is a much bigger target in the sky than the myriad
galaxies Hubble routinely photographs that are billions
of light -
years away.
About 500
million years after the Big Bang, one
of the first
galaxies in the universe formed, containing stars
of about the same mass as the sun — which can live for 10 billion
years — as well as
lighter stars.
Arp 256 is a stunning system
of two spiral
galaxies, about 350
million light -
years away, in an early stage
of merging.
Such maps reveal the existence
of superclusters and filaments
of galaxies hundreds
of millions of light -
years across.
Corbin and Vacca propose that two «subgalactic» clumps
of stars, each perhaps just 300
light -
years across, crashed to create POX 186 within the last 100
million years — recently enough that the new
galaxy hasn't yet settled down.
Though the
galaxy is over 2
million light -
years away, the Hubble telescope is powerful enough to resolve individual stars in a 61,000 -
light -
year - long stretch
of the
galaxy's pancake - shaped disk.
A team using the Hubble Space Telescope found the invisible ring, which extends 2.6
million light -
years across [see image above], while mapping the distribution
of dark matter in the
galaxy cluster CL 0024 +17.
Further, POX 186 sits in a vast bubble
of otherwise empty space about 30
million light -
years across — one
of countless voids that pock the cosmic web
of galaxies.
«We have spent five
years collecting measurements
of 1.2
million galaxies over one quarter
of the sky to map out the structure
of the Universe over a volume
of 650 cubic billion
light years,» says Jeremy Tinker
of New York University, a co-leader
of the scientific team carrying out this effort.
Santiago Garcia - Burillo
of Spain's Madrid Observatory and his colleagues have used a radio telescope array in Chile to image the torus
of NGC 1068, a
galaxy 50
million light years away.
Located some 60
million light -
years away, NGC 4388 is experiencing some
of the less desirable effects that come with belonging to such a massive
galaxy cluster.
The analysis is based on Hubble images
of a spiral
galaxy in the Coma cluster, located 300
million light years from Earth.
In August
of 2011, researchers discovered SN 2011fe, a type 1a supernova 21
million light -
years away in
galaxy M101 (images show the
galaxy before and after the supernova, with the supernova circled at right).
In the heart
of MCG -6-30-15, a
galaxy 130
million light -
years away, there is a hole.
Jets are narrow streams
of gas that emerge from the cores
of some
galaxies, travel at more than 99 percent the speed
of light, and penetrate as much as several
million light -
years into intergalactic space before fanning out into broad, luminous lobes.
Intriguingly, the excess points in the direction
of the nearest cluster
of galaxies to the Milky Way, located between 300
million and 900
million light -
years from Earth.
Cordes estimates the source
of Arecibo's repeating FRB is perhaps a few hundreds
of millions of light -
years away but acknowledges it could also be in a particularly plasma - rich
galaxy much closer.
ALMA just snapped its first image, showing cold gas in the Antennae
galaxies, a pair
of colliding spiral
galaxies 70
million light years away.
Of course most stars are found in galaxies, so there could be a million instances of complex life in the Milky Way, separated by an average of only 300 light year
Of course most stars are found in
galaxies, so there could be a
million instances
of complex life in the Milky Way, separated by an average of only 300 light year
of complex life in the Milky Way, separated by an average
of only 300 light year
of only 300
light years.
In 1933, the Swiss astronomer Fritz Zwicky (pictured, right), working at the California Institute
of Technology in Pasadena, applied this principle to the motion
of galaxies that make up the Coma cluster, a group
of over 1000
galaxies some 300
million light years from us.
Using the world's largest radio telescope, two astronomers from Swinburne University
of Technology in Australia have detected the faint signal emitted by atomic hydrogen gas in
galaxies three billion
light years from Earth, breaking the previous record distance by 500
million light years.
As part
of its Frontier Fields program, Hubble observed a very massive cluster
of galaxies, MACS J0416.1 - 2403, located roughly 4 billion
light -
years away and weighing as much as a
million billion suns.
The observatories are designed to be sensitive to waves from as far away as the Virgo cluster
of galaxies 65
million light -
years away.
About 12
million light years from Earth resides one
of the Milky Way's closest neighbors, a disk
galaxy called Messier 82 (M82).
The
galaxy Hu and her team found has a redshift
of 6.56, putting it about 15.5 billion
light -
years away, so this
light dates back to just 780
million years after the big bang.
During the past decade astronomers looking deep into space with supersensitive electronic detectors have found
millions of faint blue
galaxies at distances exceeding 4 billion
light -
years.
Most
of the
galaxies they discovered are within 300
million light -
years of Earth; most LSB
galaxies farther away would be too dim to show up in their photographs.
The
galaxy is located about 54
million light -
years away in the middle
of the immense Virgo cluster — a collection
of about 1500 closely packed
galaxies.
When you see Jupiter shining in the night sky, for example, you're looking about an hour back in time, whereas the
light from distant
galaxies captured by telescopes today was emitted
millions of years ago.
That piece
of sky is like a piece
of pie pointed at the telescope: it includes a much bigger volume
of space — and many more
galaxies — at a distance
of 4 billion
light -
years than at 100
million light -
years.
Thus, at a distance
of 700
million light -
years — not very far on a cosmic scale — it is barely observable through the background glow
of stars in our own
galaxy.
In recent
years, Margaret Geller and John Huchra
of the Harvard - Smithsonian Center for Astrophysics have compiled three — dimensional maps
of the Universe which show
galaxies spread in thin sheets surrounding bubble - like voids hundreds
of millions of light years across.
The Perseus cluster is a dense collection
of hundreds
of large and small
galaxies located 240
million light years away.