Sentences with phrase «most luminous objects»

«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.»

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 most luminous objects in the universe keep getting more mysterious.

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.

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.

«We've been able to go back even further in time with the most luminous objects before,» Tacconi says.

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.

WHAT was thought to be the most luminous object in the infrared sky is in fact an optical illusion.

Not exact matches

This boatload had gone unnoticed because astronomers previously assumed luminous traces of the galaxies in Coma indicated small, insignificant bodies, and not just the most visible central regions of otherwise very dim objects — the tips of galactic icebergs, as it were.

This should allow users to calculate distances to some of the Universe's most remote objects, such as quasars, the luminous cores of distant galaxies containing giant black holes.

This, in turn, causes the galaxy centre to emit huge amounts of radiation, making quasars the most luminous and active objects in the Universe.

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, discovered in 1963, are extremely distant massive black holes (MBHs) whose gravity pulls in immense amounts of nearby matter.24 The potential energy of all that infalling matter is converted to bright radiation, making quasars the most luminous stable objects in the universe.

This planetary nebula is certainly the most impressive object of its kind in the sky, as the angular diameter of the luminous body is nearly 6 arc minutes, with a faint halo extensing out to over 15», half the apparent diameter of the Moon (Millikan 1974).

The most distant and most luminous of these objects is 1.2 million light years away in the constellation of Eridanus, or the River.

A new study has found five objects with similar properties to the most luminous and massive stellar system within 10,... read more