Slideshows from Class:

Properties of Stars

How Stars Shine

How Stars Shine (narrated)

Star Formation

Star Formation (narrated)

Lives of High-Mass Stars

Type I Supernovae and Friends

(5 minutes)

This binary star system contains a 30 solar mass star and a 90 solar mass star 7500 light-years from Earth. The light-year-long lobes are from an unusual eruption in the 1840's. When this star does reach supernova stage, it will make this previous hiccup look small.

Read more:

NASA Observatories Take an Unprecedented Look into Superstar Eta Carinae

170 Years Ago, Eta Carinae Erupted Dramatically. Astronomers Now Think They Know Why