In this second lecture of three in the Frontiers of Science unit on astronomy, Columbia University professor David Helfand explores the life history of a star, a biography encompassing millions of years, and how astrophysicists are able to trace stellar evolution. A lecture video and companion PowerPoint presentation are also available on FoSO.
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Relevant Habits of Mind chapters
Keywords
- age
- astrophysics
- brown dwarf
- calcium
- carbon
- Cassiopeia
- cloud
- cluster
- cobalt
- correlation
- density
- dust
- element
- energy
- equilibrium
- evolution
- force
- fusion
- galaxy
- gas
- graph
- gravity
- helium
- Hertzsprung-Russell diagram
- HR diagram
- hydrogen
- hydrostatic
- iron
- Kepler
- lifespan
- light
- lithium
- luminosity
- magnesium
- main
- mass
- metal
- model
- neon
- neutrino
- nickel
- nuclear
- oxygen
- periodic
- phosphorous
- pinwheel
- planet
- plasma
- prediction
- pressure
- radius
- ratio
- reaction
- scatter plot
- sequence
- silicon
- star
- stellar
- sulfur
- supergiant
- supernova
- table
- telescope
- temperature
- timescale
- x-ray
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