Sentences with phrase «galaxy merger known»
The new mega-galaxy, dubbed HXMM01, is the brightest, most luminous and most gas - rich submillimeter - bright galaxy merger known.
http://www.keckobservatory.org/
«Considering their extreme distance from Earth and the frenetic star - forming activity inside each, it's possible we may be witnessing the most intense galaxy merger known to date.»
Not exact matches
We however do not yet know whether galaxy mergers are also responsible for these, or whether they are formed by cold gas gradually falling into the galaxy.
«We've known for awhile that minor mergers can have visible effects on their host galaxies,» says David Law, an astrophysicist at the University of Toronto's Dunlap Institute for Astronomy and Astrophysics, who did not contribute to the new study.
That's because no one knows whether such supergiants grow from scratch within star - forming regions, or whether, like supermassive black holes and galaxies, they reach their enormous mass through mergers.
The new discovery is one of the only known cases of a wet merger at the core of a galaxy cluster, and the most distant example ever found.
«Beads on a string» is a telltale sign of something known as a wet merger, which occurs when at least one galaxy in a collision between galaxies is gas rich, and this gas is converted quickly into new stars.
Astronomers would like to know what, exactly, AGN are and if they are triggered by events occurring in the centers of galaxies or by mergers between galaxies.
Black holes in the centers of galaxies could accelerate mergers between objects and produce more ripples in space - time, also known as gravitational waves, a new study suggests.
IRAS also discovered many previously unknown galaxies that emit most of their energy in the infrared portion of the electromagnetic spectrum (these are known as ultraluminous infrared galaxies), apparently owing to a massive burst of star formation during the merger of two galaxies.