Esci 501 unh exam 1 - Study guides, Class notes & Summaries

accretion - correct answer An increase in the mass of a body by accumulation or clumping of smaller particles big bang - correct answer The hypothetical event that started the expansion of the universe from a geometric point; the beginning of time. Biosynthesis - correct answer The initial formation of life on Earth. condensation theory - correct answer Premise that stars and planets accumulate from contracting, accreting clouds of galactic gas, dust, and debris. ...