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 .... Additional nomenclature...
Jan 29, 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.
Jun 13, 2016 ... Different Types of Stars in the Universe - Physical characteristics and ... They
eventually eject their outer layers to form a planetary nebula, ...
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 ...
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 ...
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.
Jun 14, 2012 ... But new research from the University of Copenhagen, among others, shows that
small planets can form around very different types of stars ...
Stars form in dense molecular clouds within galaxies. .... A different sequence,
the CNO cycle (for carbon-nitrogen-oxygen) dominates in higher mass main ...
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,
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.