Protostar - Wikipedia
A protostar is a very young star that is still gathering mass from its parent molecular cloud. It is the earliest phase in the process of stellar evolution. [1] For a low-mass star (i.e. that of the Sun or …
Glossary term: Protostar
Description: A protostar is an early stage in the star formation process. It is a large mass of gas and dust formed as a result of the contraction of a giant molecular cloud in the interstellar …
Protostar – Definition & Detailed Explanation - Sentinel Mission
Apr 12, 2024 · What is a Protostar? A protostar is a stage in the formation of a star where a dense cloud of gas and dust begins to collapse under its own gravity. This collapse triggers the …
Protostars - NASA
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Protostar - Las Cumbres Observatory
A protostar becomes a main sequence star when its core temperature exceeds 10 million K. This is the temperature needed for hydrogen fusion to operate efficiently. The length of time all of …
Protostar - Simple English Wikipedia, the free encyclopedia
Protostar is an early stage in the evolution of a star that usually grows to the point of beginning nuclear fusion and becoming a star by gathering mass. [1] It is made of a contracting cloud of …
What is a Protostar? (with pictures) - AllTheScience
May 21, 2024 · A protostar is a young star which is in the early stages of formation, before it reaches the main sequence stage. This stage of star formation can last 100,000 years or …
Protostars - Harvard University
Aug 30, 2004 · The image below shows a very young protostar, still deeply embedded in its dust cloud. The star itself is the bright red spot near the base of the dark region. The bright spots …
NASA’s Webb Catches Fiery Hourglass as New Star Forms
Nov 16, 2022 · NASA’s James Webb Space Telescope has revealed the once-hidden features of the protostar within the dark cloud L1527, providing insight into the beginnings of a new star. …
How young massive protostars form - Nature
Dec 29, 2021 · Astrophysicists have provided new insights into the birth of a rare young massive protostar which is 19 times heavier than the Sun 1. The protostar is in a star-forming region, …