One of the ways scientists do this is by studying numerical simulations of colliding galaxies. The simulations capture much of the important physics but can be run on a much faster timescale. An example of this research can be found at: ...
Colliding galaxies mysteriously play host to more massive supernovae in their central regions than undisturbed galaxies do, says new research presented earlier this month at the National Astronomy Meeting at the University of Glasgow.
Colliding Galaxies
A galactic "car wreck" in which two galaxies pass close enough to gravitationally disrupt each other's shape.
Colliding Galaxies
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The colliding galaxies known as The Mice and their black holes will eventually merge into a single giant galaxy. Such mergers can generate a quasar phase of galactic evolution.
INTERLUDE 24-1 Colliding Galaxies
Contemplating the congested confines of a rich galaxy cluster (such as Virgo or Coma, with thousands of member galaxies orbiting within a region a few megaparsecs across), ...
The nearest and youngest example of a pair of colliding galaxies; the Antennae lie about 63 million light-years away in the constellation Corvus. Each galaxy's gravitational pull has drawn out a curved tail of stars from the other.
The stars may be flung out from the colliding galaxies to form long arcs. Several examples of very distorted galaxies are seen with long antenna-like arcs.
The Antennae Galaxies is a pair of colliding galaxies with dramatically distorted shapes.
There is also friction between the gas and dust in the colliding galaxies, causing shock waves that can trigger some star formation in the galaxies. These processes can radically affect the colliding galaxies, e.g.
- Chandra Locates Mother Lode of Planetary Ore in Colliding Galaxies
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When galaxies collide, individual stars almost never collide, but the GMCs and H II regions in the colliding galaxies are severely agitated.
Astronomers see starbursts in many galaxies, most often colliding galaxies where lots of gas crashes together. But starbursts can happen in isolated galaxies too, including our own galaxy, the Milky Way.
[8.3] CLUSTERS OF GALAXIES / COLLIDING GALAXIES
[8.4] QUASARS
[9.0] Cosmology & The Big Bang ...
This graceful though faint spiral galaxy is located 1°45' SW of Antennae - a pair of colliding galaxies in Corvus as well as 2°45' S of h Crateris (see finder chart below).
Neutron Stars and Pulsars
Black Holes
Quasars
Exploding and Colliding Galaxies ...
Due to a high rate of star formation, colliding gas-rich galaxies radiate very strongly in the infrared. The ISO satellite observed several colliding galaxies in the infrared and detected many areas of intense star formation within them.
 See also: Galaxies, Galaxy, Light, Telescope, Universe
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