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en.wikipedia.org/wiki/Stellar_classification

In astronomy, stellar classification is the classification of stars based on their spectral ... The sequence has been expanded with classes for other stars and star-like ..... It may be possible for these L-type supergiants to form through stellar  ...

en.wikipedia.org/wiki/Star_formation

Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars. ..... Stars of different masses are thought to form by slightly different mechanisms. The theory of low-mass star formation, which is  ...

en.wikipedia.org/wiki/Star

False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth . A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye from Earth during the night, ... Stars can form part of a much larger gravitationally bound structure, such as ...

curious.astro.cornell.edu/about-us/83-the-universe/stars-and-star-clusters/star-formation-and-molecular-clouds/396-why-are-stars-of-different-masses-advanced

Jun 27, 2015 ... First, you should understand that there are several types of stars. ... the minimum mass required to form a star) but the temperature reached in ...

owlcation.com/stem/Different-Types-of-Stars-in-the-Universe

Jun 13, 2016 ... Different Types of Stars in the Universe - Physical characteristics and ... Stars less than 10 solar masses will shed their outer layers to form ...

science.nasa.gov/astrophysics/focus-areas/how-do-stars-form-and-evolve

How do stars form and evolve? ... On the other hand, the most massive stars, known as hypergiants, may be 100 or more times more massive than the Sun, and ...

www.universetoday.com/24299/types-of-stars

Jan 28, 2009 ... All in all, there are many different types of stars, ranging from tiny brown dwarfs to red and ... A protostar is what you have before a star forms.

www.sciencedaily.com/releases/2012/06/120613133044.htm

Jun 13, 2012 ... But new research shows that small planets can form around very different types of stars -- also stars that are relatively poor in heavy elements.

www.space.com/57-stars-formation-classification-and-constellations.html

Jul 19, 2017 ... Learn how stars form, how stars and constellations are named, what ... Also, different astronomers over the years have compiled star catalogs that use ... Most consist of an abbreviation that stands for either the type of star or a ...