About our universe
Spring 2012 Astronomy Course Mississippi Valley Night Sky Conservation The Sky Around Us Program developed by Mississippi Valley Conservation Authority.
LECTURE 18, NOVEMBER 2, 2010 ASTR 101, SECTION 2 INSTRUCTOR, JACK BRANDT [email protected] 1ASTR 101-3, FALL 2010.
Stars print
Ch 19 -life and death of stars
Refining Process
Copyright © 2010 Pearson Education, Inc. Clicker Questions Chapter 12 Stellar Evolution.
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.
HYDROGEN FOR A GREENER FUTURE THE ECONOMY OF HYDROGEN PRODUCTION OF HYDROGEN FUEL CELLS from fossil fuels from electrolysis of water WHAT FUTURE FOR HYDROGEN?
Galaxies The Life and Death of the Stars. A galaxy is a cluster of stars, gas, and dust that are held together by gravity. There are three main types.
HR Diagrams
