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bottom-up scenario
subjectfact 
bottom-up scenariohas definition A galaxy-formation scenario in which small galaxies form first. Larger and larger structures are then formed in due course.has source: Clark, S. 1997 Towards the Edge of the Universe, Wiley, 2001-09-27 09:34:03.0
has definition The idea that small structures, perhaps galaxies or even smaller substructures, form first in the universe, followed later by larger structures.has source: Hawley, J.F., Halcomb, K.H. 1998 Foundations of Modern Cosmology, Oxford University Press, 2001-09-27 09:34:03.0
is a kind of galaxy theory2001-09-27 09:34:03.0
galaxy theoryhas domain extragalactic astronomy2001-09-27 09:34:02.0
theoryhas validity correct or incorrect with caveats2001-09-27 09:33:53.0
has author or reasearch group2001-09-27 09:33:53.0
has date or a range of dates for which the theory was active2001-09-27 09:33:53.0