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Star formation is the process by which dense regions within molecular ... ALMA observations of the Orion Nebula complex provide insights into explosions at star birth.
Representative lifetimes of stars as a function of their masses The change in size with time of a Sun-like star Artist's depiction of the life cycle of a Sun-like star, starting as a main-sequence star at lower left then expanding through the subgiant and giant phases, until its outer envelope is expelled to form a planetary nebula at upper right Chart of stellar evolution
A star is a luminous spheroid of plasma held together by self-gravity. [1] ... which gave birth to the Crab Nebula, was also observed by Chinese and Islamic astronomers.
Artist's image of a firestorm of star birth deep inside the core of a young, growing elliptical galaxy NGC 4676 (Mice Galaxies) is an example of a present merger. The Antennae Galaxies are a pair of colliding galaxies – the bright, blue knots are young stars that have recently ignited as a result of the merger.
Whether the presence of the isotopes iron-60 and aluminium-26 can be interpreted as a sign of a birth cluster containing massive stars is still under debate. If the Sun was part of a star cluster, it might have been influenced by close flybys of other stars, the strong radiation of nearby massive stars and ejecta from supernovae occurring close by.
When news broke that the Duchess of Cambridge had given birth to a son on Monday afternoon, there was one who (if unexpectedly) stole the spotlight for a moment in
Sienna Miller, Josh Duhamel and more stars have expanded their families in 2024. News broke on January 3 that Miller had given birth to her second baby earlier that month, her first with boyfriend ...
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 lower), it lasts about 500,000 years. [2]