Meaning Of The Word Protostar

Real Dictionary
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  2. P Words Definitions
  3. Section P-495
  4. Protostar

What's the definition of Protostar? Find Protostar meanings, definitions and more at the Real Dictionary online.

Protostar Meaning

Protostar Definition
Protostar Definition

What's The Definition Of Protostar?

protostar in American English
in some cosmological theories, any of the millions of swirling clouds of dust and hydrogen gas that form within a protogalaxy and eventually evolve into thermonuclear stars
noun: an early stage in the evolution of a star, after the beginning of the collapse of the gas cloud from which it is formed, but before sufficient contraction has occurred to permit initiation of nuclear reactions at its core

protostar in British English
noun: a cloud of interstellar gas and dust that gradually collapses, forming a hot dense core, and evolves into a star once nuclear fusion can occur in the core

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