Stars
Stars
Stars
100

A cloud  of interstellar gas and dust (where stars form)

Nebula

100

A medium sized, main sequence star located in a spiral arm of the Milky Way Galaxy  

Sun

200

stars that have diameters 10-100 times as large as the sun 

Giant Stars

200

 Stars that have diameters greater than 100 times as large as the sun

Super Giants

300

Tremendous explosion of a dying supergiant star  

Supernova

300

a neutron star that gives  off pulses of radio waves

Pulsar 

400

Celestial object consisting of an extremely dense mass of neutrons

Neutron Star

400

A low or medium mass star, approximately the size of the earth that has undergone gravitational collapse and is in its final stage of evolution

Dwarf Stars

500

  The combining of 2 lighter elements to form a heavier element and in the process release energy (this is the process by which a star shines)

Nuclear Fusion

500

 Any star that is fusing hydrogen in its core and has a stable balance of outward pressure from core nuclear fusion and gravitational forces pushing inward  

Main Sequence Star

500

A place in space where gravity pulls so much that even light cannot escape

Black Hole