Protogalaxy
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In physical cosmology, a protogalaxy is a cloud of gas which is forming into a galaxy. It is believed that the rate of star formation, during this period of galactic evolution, will determine whether a galaxy is a spiral or elliptic galaxy; a slower star formation tends to produce a spiral galaxy.
[edit] External links
- Rare Blob Unveiled: Evidence For Hydrogen Gas Falling Onto A Dark Matter Clump? European Southern Observatory (ScienceDaily) July 3, 2006
[edit] See also
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