Sentences with phrase «for distant galaxies»

These diagnostics have been observed and tested for local galaxies extensively in the past decade, but for distant galaxies it is challenging to acquire complete multi-wavelength datasets.

I use gravitational lensing to search for distant galaxies in Hubble and Spitzer Space Telescope images.

«As we were searching for distant galaxies magnified by Abell 2218, we detected a pair of strikingly similar images whose arrangement and color indicate a very distant object,» explains lead author Jean - Paul Kneib of the California Institute of Technology.

To locate the source, a group directed by Puget and David L. Clements in Paris has started the first far - infrared search for distant galaxies, using the European Space Agency's Infrared Space Observatory (ISO).

Not exact matches

While peering through one of the clusters, Abell 2744, astronomers recently found a candidate for one of the most distant galaxies known, a toddler growing up about 500 million years after the Big Bang.

The discovery is promising for NASA's upcoming James Webb Space Telescope, which will launch in 2018 on a mission to study these embryonic galaxies from the universe's distant dawn in much more detail.

Spanish for «the fat one,» El Gordo is the most massive grouping of galaxies in the distant universe.

The MOIRCS near - infrared spectrograph is very effective for studies focused on the distant, early universe because strong emission lines from star - forming galaxies are redshifted from the optical to the near - infrared regime.

When observing a distant galaxy, for example, massive objects between Earth and the galaxy act like a giant lens and bend the galaxy's light, creating multiple images of the single galaxy.

In this case, Hubble observed how the gravity of this cluster distorted the light from more distant galaxies, and determined that the cluster's ordinary matter couldn't account for all of the distortion.

Foreground galaxy clusters can warp and magnify the light of distant, background proto - galaxies, for instance, allowing cosmologists to catch glimpses of early epochs of the universe.

The light we see from our Sun takes just eight minutes to reach us, while the light from distant galaxies we see via today's advanced telescopes travels for billions of years before it reaches us — so we're seeing what those galaxies looked like billions of years ago.

Measurements of the bending of light, the motions of galaxies, and the brightness of distant exploding stars have revealed a new truth: Unseen elements, collectively called dark matter and dark energy, account for roughly 96 percent of the mass of the universe.

Because parallax measurements are so difficult to obtain for far - distant star - forming regions on the other side of the galaxy, astronomers widely agree they will chiefly serve as important calibration points to augment existing kinematic distance measurements.

«This paper presents the most distant galaxy for

Emitted in a distant galaxy when multicellular life was just beginning to populate Earth, the waves traveled at the speed of light for more than a billion years to at last wash over our planet last September, taking just seven milliseconds to traverse the distance between LIGO's twin listening stations in Louisiana and Washington State.

Spacetime ripples from a stellar cataclysm in a distant galaxy help explain the cosmic origins of gold, and chart the course for a new age of «multi-messenger» astronomy

For example, astronomers have been trying to explain why some recently discovered distant, but young, galaxies contain massive amounts of dust.

If the technique proves accurate, scientists may have a fast method for weighing supermassive black holes in the cores of distant galaxies.

Measuring the atomic hydrogen signal emitted by distant galaxies is one of the main scientific drivers behind the billion dollar Square Kilometre Array (SKA) project, for which technology demonstrators like the Australian SKA Pathfinder are under construction.

«These signals would have begun their journey before our planet even existed, and after five billion years of travelling through space without hitting anything, they've fallen into the telescope and allowed us to see this distant galaxy for the very first time.»

A radical new model of gravity seems to account for bending of light by distant galaxies without invoking extra unseen mass whose identity remains mysterious

(For older, even more distant galaxies, the researchers were not able to see black hole activity as clearly, but they did set upper limits on x-ray luminosity.)

Brian Schmidt and Robert Kirshner of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, Ronald Eastman of Lick Observatory in California, and their colleagues obtained a new estimate of the Hubble constant from observations of a supernova in a distant galaxy in the constellation of Cetus.

But in the case of the Thirty Meter Telescope (TMT), an instrument that promises unprecedented images of everything from the most distant galaxies to nearby exoplanets, builders may have to settle for second best.

Inaugurated in 1991 to search for flashes of light from gamma - ray bursts — enigmatic explosions mostly seen in very distant galaxies — it never found one and was eventually shut down.

The same scenario may hold for the distant faint galaxies that astronomers discovered before they saw LSBs in large numbers.

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.

It's easier to conduct a galaxy survey for more distant galaxies, explains Bothun.

Researchers then used computer software to unwarp SPD.81's smudge and, for the first time for such a distant galaxy, discern small areas of intense star formation, some less than 150 light - years across.

Because supernovas are so powerful, they are visible even in distant galaxies, making them valuable tools for measuring the size and history of the cosmos.

The huge mass of the cluster acts as a cosmic magnifying glass and enlarges even more distant galaxies, so they become bright enough for Hubble to see.

Staring at a small patch of sky for more than 50 hours with the ultra-sensitive Karl G. Jansky Very Large Array (VLA), astronomers have for the first time identified discrete sources that account for nearly all the radio waves coming from distant galaxies.

Supernova measurements indicate that distant galaxies are separating from one another by 73 kilometers per second for each megaparsec (about 3.3 million light - years) of distance between them.

The hundreds of distant worlds, some large and some small, that are known to dot the galaxy provide plenty of intrigue for the scientists who hunt them.

And Volker Bromm of the University of Texas, Austin, calls the research «very nice work that bodes well» for detecting more molecules in very distant galaxies.

An international team studying gas clouds in a distant galaxy has found that the temperature of the gas matches almost exactly what models predicted for the young cosmos.

Much as a teacher would be amazed to enter a preschool classroom full of college - age students, astronomers were thrown for a loop when they found fully formed galaxies in a distant corner of the universe they thought was populated with relatively small, ragged gatherings of stars.

For years scientists have searched for «dark matter» to make Einstein's theory of gravity match the actual motions of distant galaxiFor years scientists have searched for «dark matter» to make Einstein's theory of gravity match the actual motions of distant galaxifor «dark matter» to make Einstein's theory of gravity match the actual motions of distant galaxies.

The ideal background «lights» for such a study are quasars, which are very distant bright cores of active galaxies powered by black holes.

This provides an independent test for astronomers» usual methods of estimating distant galaxy masses — which rely on extrapolation from their nearby cousins.

The team screened distant galaxies for red objects that also emitted X-rays.

The Atacama Large Millimeter / Submillimeter Array (ALMA), a massive observatory now under construction five kilometers above sea level in Chile, should further illuminate the workings of distant galaxies when it opens for scientific use in 2011.

Rather than studying bright stars, the two students used Hubble Space Telescope data from 274 dwarf stars, which were serendipitously observed by the orbiting observatory while it was looking for the most distant galaxies in the early Universe.

For instance, look at the recent use of the Cosmic Evolution Survey, using the Hubble Space Telescope to study gravitational lensings [in which the gravitational pull of galaxies and dark matter bends the light from more distant objects] in an area of the sky nine times the apparent surface area of the full moon.

Measurements based on exploding stars suggest that distant galaxies are speeding away from each other at 73 kilometers per second for each megaparsec (about 3.3 million light - years) of space between them.

«We showed that it may be fairly common for groups of stars in the disk to be relocated to more distant realms within the Milky Way — having been «kicked out» by an invading satellite galaxy.

For example, the powerful gravitational field of a massive cluster of galaxies can bend the light rays from more distant galaxies, just as a camera lens bends light to form a picture.

The galaxy, denoted Q1442 - MD50, is so distant that it took 11 billion years for its light to reach us.

A second mode provides low spectral resolution but high sensitivity and is popular for studies of distant galaxies and very cool low - mass stars.