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dwarf galaxy

   Also found in: Encyclopedia, Wikipedia 0.07 sec.
dwarf galaxy
A small, dim galaxy, intermediate in size between a regular galaxy and a globular cluster. Like larger galaxies, dwarf galaxies are classified as elliptical, spiral, or irregular based on their shape. The closest known galaxy to the Milky Way is a dwarf galaxy in Canis Major that is believed to be losing stars to ours. Many astronomers think that most of the large galaxies seen today were formed either by collisions of dwarf galaxies, which formed first in the aftermath of the Big Bang, or by larger galaxies attracting material away from dwarf galaxies.
Translations
dwarf galaxy
n → Zwerggalaxie f


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? Mentioned in ? References in periodicals archive
 
The astronomers' computer simulation reveals that a collision between Andromeda and its companion dwarf galaxy Ma2 reproduces the rings.
Assault on Andromeda: nearby galaxy had recent collision by Cowen, R. / Science News
The new galaxy is of a type known as a dwarf galaxy because it is faint and small - unlike the Milky Way and Andromeda galaxies, the two local giants.
ASTRONOMERS FIND NEW NEW `LOCAL' GALAXY by Daily News (Los Angeles, CA)
Within hours, Belokurov replied that he had found yet another Milky Way satellite, a dwarf galaxy in the constellation Bootes.
Galactic de Gustibus: Milky Way's snacks shed light on dark matter ... by Cowen, Ron / Science News
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