Sentences with phrase «of galaxies in the universe at»

You probably get the idea at this point, but just to hammer it home: On average, galaxies are separated by millions of light years — and the latest estimates put the number of galaxies in the universe at around 500 billion.

Not exact matches

The franchise will also be incorporated at U.S. Disney theme parks, bringing to life the droids, spaceships and otherworldly creatures of the universe that Lucas created in 1977 and is set in a galaxy far, far away.

[2] In 2011, a five - year survey of 200,000 galaxies and spanning 7 billion years of cosmic time confirmed that «dark energy is driving our universe apart at accelerating speeds.»

Given that the Milky Way alone has hundreds of billions of stars, and there are many hundreds of billions, perhaps trillions of galaxies in the universe, and there may even be multiple universes, it is statistically certain that at least a few percentage of those trillions of stars will host some intelligent life.

There is nothing in there at all about galaxies, expansion of the universe, the age of the universe, the speed of light, atoms, or anything at all that an Iron Age man would not have been able to write or make up.

Or, if more matter exists in the universe than we currently perceive, the force of gravity may stop the expansion process at some point and compel a recontraction, a sucking of all the galaxies, stars and planets back into a very dense and hot singularity.

Apparently, if you are fortunate enough to be around at that time, the galaxy you are in will seem to be the only galaxy in the universe as the other galaxies will be receding away from your galaxy faster than the speed of light.

The [galaxy] they're most excited about is three times as luminous as any other galaxy of a similar age, making it «by far the brightest galaxy ever observed at this stage in the universe,» the ESO said.

George has a PhD in astrophysics and worked at the University of Cambridge researching the effects of black holes in galaxies and quasars in the early universe.

«It occurred to me there could be a whole universe up there of hidden galaxies, just a little dimmer than those we can detect from Earth,» says Disney, an emeritus professor at Cardiff University in Wales.

Because all elements in the universe heavier than hydrogen, helium, and lithium have been forged by nuclear fusion in the cores of stars and then scattered into space by supernova explosions, the find indicates that the galaxy, at the age we're now observing it, was old enough for at least one generation of stars to have formed, lived, and died.

«The significance of this finding is that it calls into question the validity of certain cosmological models and simulations as explanations for the distribution of host and satellite galaxies in the universe,» said co-author Marcel Pawlowski, a Hubble Fellow in the Department of Physics & Astronomy at the University of California, Irvine.

That's the latest estimate for the number of galaxies that live — or have lived — in the observable universe, researchers report online October 10 at arXiv.org.

Something unseeable and far bigger than anything in the known universe is hauling a group of galaxies towards it at inexplicable speed

Researchers used supernovas, cosmic microwave background radiation and patterns of galaxy clusters to measure the Hubble constant — the rate at which the universe expands — but their results were mismatched, Emily Conover reported in «Debate persists on cosmic expansion» (SN: 8/6/16, p. 10).

The reionization of hydrogen in the universe didn't occur like the flipping on of a light switch; it wasn't instantaneous and probably didn't happen at the same rate across the cosmos, said Anna Frebel, an assistant professor of physics at MIT who studies stars and galaxies that formed in the very early days of the universe.

«That we detected galaxies as faint as we did supports the idea that a lot of little galaxies reionized the early universe and that these galaxies may have played a bigger role in reionization than we thought,» says Rachael Livermore, an astronomer at the University of Texas at Austin.

George Becker of the University of Cambridge and colleagues studied the light coming from galaxies at different times in the universe's history.

His work was very mathematical and computer - intensive, two of my strengths at the time, and we made a lot of progress on a small project about galaxy motions in the nearby universe.

The trouble was, nobody could figure out where the gamma - ray bursts were — in and around our Milky Way galaxy or at the far reaches of the universe.

In a joint collaboration between the California Institute of Technology and the University of California, Riverside, astronomers have performed an extensive study of the properties of galaxies within filaments formed at different times during the age of the universe.

The only objects that fit that bill are comets at the edge of the solar system, in the so - called Oort cloud, and galaxies far out in the universe.

The pairing of otherwise phenomenally rare galaxies suggests that they reside within a particularly dense region of the universe at that period in its history, the astronomers said.

The density correlations in our universe, for example, correlations between numbers of galaxies at different parts of the universe, indicate that our vast universe has originated from a stage of cosmic inflation.

ROCHESTER, NEW YORK — Many astronomers believe that black holes at the hearts of galaxies grew into hulking monsters as galaxies coalesced around them in the early universe.

«What our observations of galaxies in the early universe tells us is these very early young galaxies at the dawn of the universe and their growing baby black holes already had some deep fundamental connection between them,» Schawinski said.

«This chicken - and - egg problem of what was there first, the galaxy or the black hole, has been pushed all the way to the edge of the universe,» Yale University astrophysicist Kevin Schawinski said in a June 15 press conference at NASA Headquarters in Washington, D.C. Schawinski was part of a team of researchers that used two renowned orbiting observatories, the Hubble Space Telescope and the Chandra X-Ray Observatory, to identify a population of black holes in galaxies at redshift 6, which corresponds to a time about 950 million years after the big bang.

The result was the Hubble Deep Field, a series of images that doubled astronomers» estimates of the number of galaxies in the universe to at least 50 billion.

Astronomers working with the Sloan Digital Sky Survey have used a 2.5 - meter telescope at the Apache Point Observatory in Sunspot, New Mexico, to map the location of more than 930,000 nearby galaxies, determining the distance to each by how much the expansion of the universe has stretched, or «redshifted,» the wavelength of the galaxy's light.

The decreasing number of galaxies as time progresses also contributes to the solution for Olbers» paradox (first formulated in the early 1800s by German astronomer Heinrich Wilhelm Olbers): Why is the sky dark at night if the universe contains an infinity of stars?

The distant galaxy, known as SDP.81, forged the equivalent of 315 of our suns each year in an era when star formation was at its maximum in the universe.

They painstakingly converted the images into 3 - D, in order to make accurate measurements of the number of galaxies at different epochs in the universe's history.

The study led by Donahue looked at far - ultraviolet light from a variety of massive elliptical galaxies found in the Cluster Lensing And Supernova Survey with Hubble (CLASH), which contains elliptical galaxies in the distant universe.

Led by Sandra Savaglio and Karl Glazebrook of Johns Hopkins University in Baltimore, Maryland, the team studied a few hundred galaxies at distances of some 10 billion light - years, looking back to a time when the universe was only about 4 billion years old.

A new study based on observations with the Hubble Space Telescope has shown that the most massive galaxies in the universe, which are found in clusters like this, have been aligned with the distribution of neighboring galaxies for at least 10 billion years.

In a paper that appeared in Physical Review Letters this week, the researchers specifically show that the lack of bright X-ray and radio sources at the center of our galaxy strongly disfavours the possibility that these objects constitute all of the mysterious dark matter in the universIn a paper that appeared in Physical Review Letters this week, the researchers specifically show that the lack of bright X-ray and radio sources at the center of our galaxy strongly disfavours the possibility that these objects constitute all of the mysterious dark matter in the universin Physical Review Letters this week, the researchers specifically show that the lack of bright X-ray and radio sources at the center of our galaxy strongly disfavours the possibility that these objects constitute all of the mysterious dark matter in the universin the universe.

Astronomers see its effects throughout the cosmos — in the rotation of galaxies, in the distortion of light passing through galaxy clusters, and in simulations of the early universe, which require the presence of dark matter to form galaxies at all.

Lead researcher Dr David Clements, from the Department of Physics at Imperial College London, explains: «Although we're able to see individual galaxies that go further back in time, up to now, the most distant clusters found by astronomers date back to when the universe was 4.5 billion years old.

On Friday at a meeting of the Royal Astronomical Society in Glasgow, U. K., Bluck will report that the most active supermassive black holes release staggering amounts of radiation during their most energetic periods, which can last hundreds of millions of years — enough, he says, «to strip apart every massive galaxy in the universe at least 25 times over.»

In October a team led by Mathilde Jauzac at the Laboratoire d'Astrophysique de Marseille in France created a 3 - D representation of an enormous filament of dark matter, the invisible substance that fills our universe and binds galaxies togetheIn October a team led by Mathilde Jauzac at the Laboratoire d'Astrophysique de Marseille in France created a 3 - D representation of an enormous filament of dark matter, the invisible substance that fills our universe and binds galaxies togethein France created a 3 - D representation of an enormous filament of dark matter, the invisible substance that fills our universe and binds galaxies together.

If there is any large amount of antimatter in the universe, it must encompass at least an entire galaxy cluster, and probably a supercluster.

Thanks to the dry, clear atmosphere at the South Pole, SPT is better able to «look» at the cosmic microwave background — the thermal radiation left over from the Big Bang — and map out the location of galaxy clusters, which are hundreds to thousands of galaxies that are bound together gravitationally and among the largest objects in the universe.

«How can a quasar so luminous, and a black hole so massive, form so early in the history of the universe, at an era soon after the earliest stars and galaxies have just emerged?»

«From taking spectra of galaxies and quasars at the most distant parts of the universe to looking at comets in the outer parts of our own solar system, LBT will do a little bit of everything, and probably even things that we haven't thought of yet,» says LBT technical director John Hill.

«Knowing more about the black holes powering quasars will allow us to know more about how galaxies develop,» said Marta Volonteri, the research director at the Observatory of Paris and the principal investigator of the BLACK project, which investigates how supermassive black holes influenced their host galaxies, especially as quasars, in the early universe.

«This means if we look back to the universe when it was less than a quarter of its present age, we'd see that a pair of galaxies separated by a million light years would be drifting apart at a velocity of 68 kilometers a second as the universe expands,» says Font - Ribera, a postdoctoral fellow in Berkeley Lab's Physics Division.

Neal Evans, an astronomy professor at the University of Texas at Austin, credits the researchers for broadening the observational window from the somewhat anomalous luminous events to include run - of - the - mill galaxies in the fairly young universe.

In a universe of this sort, each observer sees things as if he were at the center of the spinning, with the galaxies — indeed, the whole universe — rotating about him.

Somewhere in the universe, at least once a second, a massive star goes supernova, blowing to smithereens with the intensity of an entire galaxy's worth of shining stars.

At over 650 million light years across, the Saraswati supercluster of galaxies is one of the largest structures in the universe.