protostar

noun

pro·to·star ˈprō-tō-ˌstär

: a cloud of gas and dust in space believed to develop into a star

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Scientists found at least 1,200 times the amount of water in all of Earth’s oceans around a protostar — a very young star in the early stages of its evolution — 1,305 light-years distant in the constellation Orion. —

Jamie Carter, Forbes, 8 Dec. 2024 Throughout this image, filaments and wisps of different hues represent reflected starlight from still-forming protostars within the cloud. —

Alan Taylor, The Atlantic, 2 Dec. 2024 The telescope has recorded young protostars, early-stage stars still accumulating mass from surrounding clouds, emitting powerful jets of material. —

Tiffany Acosta, The Arizona Republic, 17 Sep. 2024 The protostar itself sits in the rotating, dusty disk at the center of the image, where infrared radiation cannot escape because of the density of the dust and gas. —

Lori Youmshajekian, Scientific American, 1 Jan. 2024 See all Example Sentences for protostar