Sentences with phrase «luminous objects powered»

Quasars are very luminous objects powered by accretion of gas into supermassive black holes at the centers of distant galaxies.

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.

Not exact matches

Quasars are believed to be powered by accretion of material onto supermassive black holes in the nuclei of distant galaxies, making these luminous versions of the general class of objects known as active galaxies.

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.

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 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.

Olga de Amaral transforms two - dimensional textiles into luminous three - dimensional objects by combinung diverse materials, including fiber, gesso, acrylic and precious metals, to make works of unique aesthetic power.

Using the power of the glittery / glowy object, Wallace continues her oeuvre with phrases that challenge taboos, sexuality and censorship in luminous exhibition.