Protogalactic | Article about protogalactic by The Free Dictionary
protogalaxy (redirected from protogalactic)
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A clump of matter in an early stage of galaxy formation in which the matter has started to collapse under its own gravity to form a galaxy.
References in periodicals archive
Depending upon the size of the dark-matter density enhancement acting as the seed, anything from a small protogalactic
fragment to a full-fledged galaxy could develop.
A few million years later they blow up as supernovae, sending yet more matter outward at supersonic speeds into the still-collapsing protogalactic
Some gas is always left over, and in a collapsing protogalactic
cloud this gas might have settled to the center without forming stars.