Sentences with phrase «distant radio galaxies»

«By determining just how distant these radio galaxies are, we will learn how early the black holes formed in the history of the Universe,» he added.

Not exact matches

Images of four distant galaxies observed with the Arecibo radio telescope, which have been found to host huge reservoirs of atomic hydrogen gas.

Using the Very Large Array of the National Radio Astronomy Observatory in the US, the team observed radio emission from hydrogen in a distant galaxy and found that it would have contained billions of young, massive stars surrounded by clouds of hydrogenRadio Astronomy Observatory in the US, the team observed radio emission from hydrogen in a distant galaxy and found that it would have contained billions of young, massive stars surrounded by clouds of hydrogenradio emission from hydrogen in a distant galaxy and found that it would have contained billions of young, massive stars surrounded by clouds of hydrogen gas.

One repeating example of a fast radio burst has finally been pinned down to a tiny and distant dwarf galaxy, narrowing down its precise origin

«Not only did we detect radio signals emitted by distant galaxies when the Universe was three billion years younger, but their gas reservoirs turned out to be unexpectedly large, about 10 times larger than the mass of hydrogen in our Milky Way.

«Fast radio burst tied to distant dwarf galaxy, and perhaps magnetar: First localization of mysterious bursts pinpoints galaxy 3 billion light years away.»

Looking at a distant galaxy: the radio chart (left) shows the image of the blazar PKS 1830 - 211 distorted by the gravitational lens effect.

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.

New research by Harvard astronomers Peter Williams and Edo Berger shows that the radio emission believed to be an afterglow actually originated from a distant galaxy's core and was unassociated with the fast radio burst.

Radio astronomers have used a radio telescope network the size of the Earth to zoom in on a unique phenomenon in a distant galaxy: a jet activated by a star being consumed by a supermassive black Radio astronomers have used a radio telescope network the size of the Earth to zoom in on a unique phenomenon in a distant galaxy: a jet activated by a star being consumed by a supermassive black radio telescope network the size of the Earth to zoom in on a unique phenomenon in a distant galaxy: a jet activated by a star being consumed by a supermassive black hole.

Radio / Optical combination images of distant galaxies as seen with NSF's Very Large Array and NASA's Hubble Space Telescope.

Fast radio bursts are brief, bright pulses of radio emission from distant but so far unknown sources, and FRB 121102 is the only one known to repeat: more than 200 high - energy bursts have been observed coming from this source, which is located in a dwarf galaxy about 3 billion light years from Earth.

The most distant radio - quiet galaxy previously known has a red shift of 2.758.

Clues to what our Galaxy, the Milky Way, was like in its infancy may come from a newly discovered «normal» (radio - quiet) galaxy, the most distant of its kind ever seen.

The puzzle first emerged when Rudnick, who had decided to study a large cold spot in the cosmic microwave background, found some strange data in a radio telescope survey of distant galaxies.

Together, the telescopes create a virtual dish 9000 kilometers wide that can detect the faintest radio emissions from distant galaxies.

Science Interests Formation of galaxies and black holes in the early universe and their growth over cosmic time; large surveys with Hubble and other telescopes to discover new populations of distant galaxies and black holes; physical properties of active galactic nuclei using observations from radio, infrared, optical, ultraviolet through to X-ray energies.

UT1 is determined from measurements of the rotation of the Earth by various means including radio telescope observations of quasars (distant galaxies powered by supermassive black holes).

Although it is close to the line of sight to the globular cluster M15, most astronomers had thought that this source of bright radio waves was probably a distant galaxy.

Astronomers have combined data from NASA's Chandra X-ray Observatory, the Hubble Space Telescope and the National Science Foundation's Karl G. Jansky Very Large Array (VLA) to conclude that a peculiar source of radio waves thought to be a distant galaxy is actually a nearby binary star system containing a low - mass star and a black hole.

It was also used to observe several hundred specific radio sources, such as quasars and distant galaxies.

After a surprise discovery, astrophysicists are racing to understand superenergetic flashes of radio waves that sometimes beep out from distant galaxies.

The GBT routinely pairs with this spacefaring radio telescope, that travels nearly as far from Earth as the Moon, to watch supermassive black holes in the hearts of distant galaxies.

This will ensure the GBT clearer reception of radio waves from distant galaxies and the other celestial objects it will study.