PBS
Pbs Learning Media: Birth of a Supernova, Type Ia
In this interactive activity from NOVA Online, learn about a type of exploding star - a Type Ia supernova - that is so bright that astronomers can measure the distance to the galaxy in which it resides, and even learn which elements make...
PBS
Pbs Learning Media: Birth of a Supernova, Type Ii
In this interactive activity from NOVA Online, learn about a type of exploding star a Type II supernova that is so large it has a mass 10 times greater than the mass of our Sun.
PBS
Pbs: Nova Online: History of the Universe
PBS site explores the history of the Universe by providing users with a Universe Timeline exploring different theories. Site also contains links to a tour of the Universe, birth of a Supernova, additional resources and much more.