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The Life Cycles of Stars
• Planetary nebula
• Fusion
• Red Giant
• White Dwarf
• Binary Star
• Spectral Class
• H-R Diagram
• Supernova
• Core Bounce
• Nova
• Main Sequence
• Luminosity
Star Birth
Orion Nebula Star Birthhttp://jrscience.wcp.muohio.edu/movies/orion.nebula.32.305.mov
Lagoon Nebula-Star Birth
Tornadoes?
Orion Nebula-Close Up
Eagle Nebula-Star Eggs
Star Death
Life Cycle Themes
Observations in the Night
Relative Sizes
Sun Crosssection
The Earth is as Big as MyCursor!
Our Dynamic Sun
Solar Prominences http://jrscience.wcp.muohio.edu/movies/loopslcn.mov
A Dying Star
Start Stuff-Celestial Fertilizer
Types of Spectra
Spectral Signatures DifferentStars
Spectral Classes
H-R Diagram- Masses along theMain Sequence
H-R Diagram
Betelgeuse-If this star was oursun, Jupiter would be inside of
this Red Giant
Luminosity vs Solar Mass
Life Cycle Themes-TheImportance of Mass
Supernova
Supernova CentaurusVideohttp://jrscience.wcp.muohio.edu/movies/centaurassupernova.mov
The Onion “Core”
Remember where elementsbeyond H and some He come
from!
Core Bounce & a Big Explosion!
Heavy Elements Synthesized
Supernova
Supernova
Crab Nebula-1054 A.D.
Crab Nebula Pulsarhttp://jrscience.wcp.muohio.edu/movies/crabanim.mov
This is what the Crab Nebula Pulsar sounds likehttp://jrscience.wcp.muohio.edu/movies/crab.mov
Supernova 1987a
Supernova 1987a
Black Hole Signature-M84http://jrscience.wcp.muohio.edu/movies/black.hole.31.313.mov
Neutron Stars
A “Heavy” Companion
Can you Guess the Relative Agesof These Stars?
Ages of Clusters- Can YouInterpret this H-R Diagram
Main Sequence