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Star formation - Wikipedia As a branch of astronomy, star formation includes the study of the interstellar medium (ISM) and giant molecular clouds (GMC) as precursors to the star formation process, and the study of protostars and young stellar objects as its immediate products
Stars - NASA Science Stars form in large clouds of gas and dust called molecular clouds Molecular clouds range from 1,000 to 10 million times the mass of the Sun and can span as much as hundreds of light-years Molecular clouds are cold which causes gas to clump, creating high-density pockets
What are stars and how are they formed? - BBC Bitesize A star is formed when it is hot enough for the hydrogen nuclei to fuse together to make helium The fusion process releases energy, which keeps the core of the star hot
How Are Stars Formed? - ExtremeTech All stars spend the majority of their lives as so-called main-sequence stars Consequently the vast majority of stars—90% or so—are undergoing hydrogen-helium fusion at any given time
How Stars Are Formed: Key Stages of Their Formation Understanding star formation is fascinating as it reveals how simple clouds of cosmic material transform into the dazzling stars we see So, let’s dive into the detailed steps of how stars are formed and explore this incredible journey from nebula to star
Star - Formation, Evolution, Lifecycle | Britannica Star - Formation, Evolution, Lifecycle: Throughout the Milky Way Galaxy (and even near the Sun itself), astronomers have discovered stars that are well evolved or even approaching extinction, or both, as well as occasional stars that must be very young or still in the process of formation
Star Formation - Harvard–Smithsonian Center for Astrophysics Star formation happens in interstellar molecular clouds: opaque clumps of very cold gas and dust The process starts when some of those clumps reach a critical mass, allowing them to collapse under their own gravity
The Birth of Stars: A Deep Dive - Star Formation Explained Star formation is a critical process in the universe It involves the birth of stars from clouds of gas and dust in space Understanding how stars form helps scientists learn about the history of the universe and the creation of galaxies