Massive Stars live shorter lives. Low mass stars live longest. 1.Gravity contracts the Hydrogen gas 2. Gas Spins 3. Gas Heats 4. Protostar Stage 5. Fusion.
Announcements Quiz 4 - March 4 –Stellar evolution Low-mass stars Binaries High-mass stars –Supernovae –Synthesis of the elements WWW lab is available.
Announcements
The Deaths of Stars
A105 Stars and Galaxies ROOFTOP TONIGHT AT 9 PM HAND IN HOMEWORK Exam coming on Nov. 2 Today’s APODAPOD.
A105 Stars and Galaxies
