Transcript Monkeyrocker92 G-menfan Time line of stars

By: Monkeyrocker92
And
G-menfan
Nebula

A nebula is a big cloud of gas and dust.
Protostar
A protostar is the early stage of a star
formation.
 It can last up to one hundred thousand
years.
 A protostar can either turn into a brown
dwarf or a main sequence star.

Picture of a Protostar
www.oulu.fi/.../pr/compact_stars.html
Brown Dwarf

A brown dwarf is a star who did not have
enough mass to start fusion.
www.centauri-dreams.org/?p=15
Main sequence star
A main sequence star is one who start
fusion.
 Which is fusion hydrogen into helium.
 Most stars are in main sequence like our
sun.

Picture of a Main sequence star
www.williamsclass.com/.../StellarEvolution.htm
Red giant/
Red supergiant
A red giant/red supergiant is the end of
the life of a star.
 A red giant is when a middle size star
runs out of hydrogen and starts fusing
helium
 A red supergiant is when a big star runs
out of hydrogen and fuses bigger
elements like carbon, oxygen and the
way up to iron.

Red Giant
cse.ssl.berkeley.edu/.../cycle/redgiant.html
Planetary Nebula/
Supernova
A planetary nebula is when a red giant
stops fusing and the outer layers of the
star are driven away.
 A supernova is when a red supergiant
collapses on its self and explodes.

en.wikipedia.org/wiki/Supernova
White dwarf/
Black dwarf
A white dwarf is what happens to a
small/medium size star after a planetary
nebula.
 A black dwarf is after a white dwarf cools
off and emits no more light.

Pictures of White Dwarf and
Black Dwarf.
library.thinkquest.org/.../blackdwarfs.html
www.nasa.gov/.../image_feature_468.html
Neutron star/
Black hole
A neutron star is the left over core of a
high mass star after a supernova. Then
gravity takes over and forces all of the
electrons out and all that is left over is
the neutrons. The neutrons make a
super dense star.
 A black hole is a another way a high
mass star can end its life. A black hole is
an object that sucks up all the objects
around it.

Pictures of a black hole and a
neutron star

www.outerspacesite.com
http://www.dailygalaxy.com/photos/uncategorized/2007/08/21/neutron_star_1_2.jpg