Key term for OCR GCSE Physics A, used in Beyond Earth.
A very young, hot, dense ball of gas that is still gathering mass from a nebula and has not yet started nuclear fusion.
Protostar appears in OCR GCSE Physics A revision content for Global challenges, especially Beyond Earth and Lifecycle of a star.
Create a free account to access OCR GCSE Physics A revision notes, track progress, and practise related key terms.
