Sentences with phrase «luminous objects»
The phrase "luminous objects" refers to things that give off light. Full definition
WHAT was thought to be the most luminous object in the infrared sky is in fact an optical illusion.
newscientist.com
The most luminous objects in the universe keep getting more mysterious.
Scientists say it likely originated from the first luminous objects to form in the universe, which includes both the first stars and black holes.
By and large, one must hope to find isolated, very luminous objects whose radiation in one form or another manages to reach us through the increasingly neutral medium.
Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars — extremely luminous objects powered by supermassive black holes with the mass of a billion suns — regulate the formation of stars and the build - up of the most massive galaxies.
Quasars are very luminous objects powered by accretion of gas into supermassive black holes at the centers of distant galaxies.
By learning about the change that the first stars and galaxies imposed on the universe, Hewitt said, HERA will help scientists figure out if the larger picture — the story — that they've pieced together about the emergence of luminous objects in the cosmos is correct.
If they are right, the quasar may give valuable insights into how these prodigiously luminous objects form.
Researchers have been debating whether these highly luminous objects are seeded by a multitude of small stars or if they are born directly from the collapse of a gigantic cloud of molecular gas.
«We've been able to go back even further in time with the most luminous objects before,» Tacconi says.
The very first luminous objects which formed in the Universe had a profound effect on the surrounding environment.
We would get a view, not just of isolated luminous objects and the material which happens to lie in front of them, but of large volumes of the Universe at the target redshifts.
Conductors / melting / electricity safety / potential and kinetic ebergy / magenets / shadows / luminous and non luminous objects 3 + 2 +2 + 2 +2 +1 +3 = 15 marks Total marks 45 % 5 practical total 50
Astronomers suggest that nearly all galaxies may harbor super-massive black holes that once powered quasars (extremely luminous objects in the centers of galaxies), but are now quiescent.
Quasars are amongst the most luminous objects in the Universe, and the most distant quasars are so far away that they allow us to peer back billions of years in time.
Rather, they produce the most luminous objects in the universe — quasars — thanks to a phenomenon known as accretion.
It is possible to probe the Epoch of Reionisation and trace the history of the formation of the first luminous objects by sensitive measurements of the spectral signature of neutral hydrogen.
This is often the case in the search for «high - redshift» quasars, extremely distant and luminous objects powered by supermassive black holes.
These works invite a contemplative state the artist has named «ideal visualisation», a spiritual appreciation of luminous objects.
They are very luminous objects.
Scientists think that when the first stars were born, these luminous objects and the galaxies they formed eventually pumped out X-rays and ultraviolet radiation that ripped electrons from their proton partners.
Numerical simulations of collapsing clouds of primordial gas indicate that the first luminous objects to form in the universe were isolated massive stars.
In the last decade, two independent and sometimes competitive research groups have used some of the most luminous objects in the universe — exploding stars dubbed Type Ia supernovas — to gauge the distances and motions of galaxies with unprecedented precision.
More than just Orion's brightest star, Rigel is among the most luminous objects in the galaxy, shining with the light of 55,000 suns.
Quasars constitute a brief phase in the galactic life - cycle, during which they shine as the most luminous objects in the Universe, powered by the infall of matter onto a supermassive black hole.
During this phase, they are the most luminous objects in the Universe, shining hundreds of times brighter than their host galaxies, which themselves contain hundreds of billions of stars.
The eight objects betray the past presence of quasars, the most luminous objects in the universe, whose powerful beams of radiation lend the clouds their ethereal glow, researchers said.
Globular clusters are extremely luminous objects.
Astronomers suggest that nearly all galaxies may harbor super-massive black holes that once powered quasars (extremely luminous objects in the centers of...
The distances to very luminous objects can be derived using the inverse square law of light brightness if their luminosity is known.
Quasars are among the most luminous objects in the universe, and generally are believed to be powered by material being drawn into a supermassive black hole at the center of a galaxy, releasing large amounts of energy.
The Webb observatory, which is the work of thousands of scientists and engineers across the globe, will be carefully tested to ensure it is ready to launch and enable scientists to seek the first luminous objects in the universe and search for signs of habitable planets.»
«While black holes themselves do not emit light, the gaseous material they chew on is heated to extreme temperatures, making them the most luminous objects in the universe.»
The green light leaking through the windows transforms the building into a vitrine, a luminous object sensed from the outside.