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Stellar classification

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 ..... This is essentially th...

What Are The Different Types of Stars? - Universe Today

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

Jan 28, 2009 ... Stars come in many different sizes, colors, and types, and understanding where they fit in the ... A protostar is what you have before a star forms.

Star Formation - University of Oregon

abyss.uoregon.edu/~js/ast122/lectures/lec13.html

Stars form inside relatively dense concentrations of interstellar gas and dust .... a type of stellar coherence (young stars are found near other young stars) to build ...

What are Stars, Really? - Space/Astronomy - About.com

space.about.com/od/stars/tp/What-Are-The-Different-Types-Of-Stars.htm

This quick primer on stars tells us how they form, how long their life cycles are, ... The simple fact is that the universe is made up of many different types of stars.

Stars - NASA Science

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

Apr 15, 2016 ... 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 .... May 21, 2015, Hubble Observes One-of-a-Kind Star Nicknamed 'Nasty'.

Planets can form around different types of stars -- ScienceDaily

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.

Planets can form around different types of stars – University of ...

www.science.ku.dk/english/press/news/2012/nye_planeter/

Jun 13, 2012 ... New research from NBI, among others, shows that small planets can form around very different types of stars – also stars that are relatively poor ...

Types of Stars by Size, Color and Life Cycle - Video & Lesson ...

study.com/academy/lesson/types-of-stars-by-size-color-and-life-cycle.html

Learn to identify the different sizes and colors of stars and how they relate to the star life cycle. In this lesson, we'll talk about spectral...

Types of Stars - Australia Telescope National Facility

www.atnf.csiro.au/outreach/education/senior/cosmicengine/stars_types.html

Stars form in dense molecular clouds within galaxies. .... A different sequence, the CNO cycle (for carbon-nitrogen-oxygen) dominates in higher mass main ...

The Different Types of Stars | Types List

typeslist.com/different-types-of-stars/

By taking a critical look into the heavens one will notice that there are a variety of stars up there. The following are all the different types of stars in the known ...

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Star Classification - Zoom Astronomy - Enchanted Learning

www.enchantedlearning.com

On it, astronomers plot stars' color, temperature, luminosity, spectral type, and evolutionary stage. This diagram shows that there are 3 very different types of ...

Stars - Astronomy For Kids - KidsAstronomy.com

www.kidsastronomy.com

There are several different kinds of stars in the sky. Some are very big. A couple of stars have been found that are 100 to 200 times larger than the sun.

Star Facts: The Basics of Star Names and Stellar Evolution

www.space.com

Dec 16, 2014 ... 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 ...