Day+4

=Why are there so many different kinds of stars? Temperature and Luminosity=

=6 Stars of the Winter Night Sky=

1. Pleiades: Cluster of Hot Blue Star passing thru Dust 2. Taurus 3. Orion 4. Dog Stars 5. The Twins 6. The Goat
 * Aldebaran: Luminosity = 100, Temperature = 4000 K
 * Betelgeuse: Luminosity = 10,000, Temperature = 2000 K
 * Rigel: Luminosity = 100,000, Temperature = 15,000 K
 * Orion Nebulae: Cluster of Stars Luminosity = .10, Temperature = 2000 K
 * Procyon: Luminosity= .001, Temperature = 7,000 K
 * Sirius: Luminosity = 10, Temperature = 10,000 K
 * Pollux: Luminosity = 10, Temperature = 5000 K
 * Castor: A star system of six stars clumped by gravity
 * Capella: Luminosity = 100, Temperature 5000 K



=Life Cycle of a Star= [|Link] for animation [|Link for video]



=Creation of the Elements= Big Bang Main Sequence Red Giant Super Nova [|New Periodic Table Song] [|Carl Sagan on Formation of the Elements] [|Neil Degrass Tyson on Nucleosynthesis]