According to the most widely held astronomical model (the nebular hypothesis), new stars are born from massive clouds of dust and gas (aka a nebula) that experience gravitational collapse.

Working independently, Kant and Laplace formulated a "nebular hypothesis." According to this theory, matter with very high angular momentum formed into a ring around the sun. Subsequently ...

This is the nebular igneous theory. The author of “ The World Without” states how easy it is to account for volcanoes by this theory, by spying—” according to the fiery nebulous theory ...