Sentences with phrase «called blazars»

When these jets happen to be aimed nearly toward the Earth, the objects are called blazars.

«This tells us that the physical processes at the cores of these galaxies, called blazars, are extremely energetic and are capable of propelling matter very close to the absolute cosmic speed limit,» said Glenn Piner of Whittier College in Whittier, California.

The two different classes of jet - spewing active galaxies called blazars may, in fact, be a single hybrid type that evolves over time, according to new research.

Fermi has shown that much of this light arises from unresolved gamma - ray sources, particularly galaxies called blazars, which are powered by material falling toward gigantic black holes.

Gamma rays emanate from the most powerful and mysterious phenomena in the universe — quasars, supernovae, and the black hole - powered infernos called blazars.

They could have emerged from gamma - ray bursts, mysterious and short - lived cataclysms that briefly rank as the brightest objects in the universe; shock waves from exploding stars; or so - called blazars, jets of energy powered by supermassive black holes.

Black - hole - powered galaxies called blazars are the most common sources detected by NASA's Fermi Gamma - ray Space Telescope.

Not exact matches

Bright spots in the map include the Crab Nebula, which hosts a radiation - spewing stellar corpse called a pulsar, and several blazars, violent active galaxies where colossal black holes accelerate particles to more than 99 % the speed of light.

Scientists think that Big Bird could have been produced by an ancient, super powerful galactic center called a «blazar» from 9.5 billion light - years away.