Sentences with phrase «by galactic mergers»

The team determined that galactic winds alone could not replenish the newly revealed gaseous reservoirs and suggests that the mass is provided by galactic mergers or accretion from hidden streams of gas, as predicted by current theory.

Not exact matches

There, young stars, born during the merger, will explode as supernovas, and a quasar — a giant black hole ignited by the galactic collision — might spew energetic radiation.

These mergers produce shock waves, which propagate through the clusters, reaccelerating particles previously accelerated by supermassive black holes in the galactic nuclei.

A new study led by an undergraduate at the University of California, Santa Cruz, predicts for the first time where such mergers are likely to occur in the local galactic neighborhood.

Detection of the spiral's dust in a bi-symmetric structure provides strong evidence of its position deep inside the giant elliptical host while the vast amounts of radio, visual, and x-ray emissions are a result of the energy released by this continuing galactic merger (or «consumption» of a satellite galaxy).