Latest Interacting galaxy Stories
Astronomers have confirmed that the collision rate of galaxies over the last 8 to 9 billion years falls between the previous estimates.
Even though a dwarf galaxy clear across the Milky Way looks to be a mouse, it may have once been a bear that slashed through the Milky Way and created the galaxy's spiral arms, writes an Iowa State University astronomer in the journal Nature.
ESA's Herschel infrared space observatory has discovered that galaxies do not need to collide with each other to drive vigorous star birth.
Galaxies once thought of as voracious tigers are more like grazing cows, according to a new study using NASA's Spitzer Space Telescope.
Analysis method can locate satellite galaxies based on the ripples they create in the hydrogen gas.
The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds.
Many of the Milky Wayâ€™s ancient stars are remnants of other smaller galaxies torn apart by violent galactic collisions around five billion years ago.
Astronomers on behalf of Galaxy Zoo have unveiled a new game aimed at letting players help them understand how galaxies have formed.
Violent intergalactic collision created the bright pinwheels and broad star sweeps typical in disk galaxies such as the Milky Way, U.S.
Astronomers studying new images of a nearby galaxy cluster have found evidence that high-speed collisions between large elliptical galaxies may prevent new stars from forming, according to a paper to be published in a November 2008 issue of The Astrophysical Journal Letters.
Seyfert's Sextet -- Seyfert's Sextet is a group of galaxies in which gravitational forces are exerted between its members. The galaxies are so tightly packed together that gravitational forces are beginning to rip stars from them and distort their shapes. Those same gravitational forces eventually could bring the galaxies together to form one large galaxy. The name of this grouping, Seyfert's Sextet, implies that six galaxies are participating in the action. But only four galaxies are...
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