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The temperature of stars

The temperature of stars. As a guide to their ‘life story’. http://www.le.ac.uk/ph/faulkes/web/stars/r_st_evolution.html. Plot luminosity against temperature…. Hertzsprung-Russell Diagram. Gas cloud to protostar. Main Sequence. Our Sun. Hydrogen runs out, swells to be come red giant.

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The temperature of stars

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  1. The temperature of stars As a guide to their ‘life story’ http://www.le.ac.uk/ph/faulkes/web/stars/r_st_evolution.html

  2. Plot luminosity against temperature…

  3. Hertzsprung-Russell Diagram

  4. Gas cloud to protostar

  5. Main Sequence Our Sun

  6. Hydrogen runs out, swells to be come red giant

  7. Elements in a red giant http://www.astronomycafe.net/qadir/q2958.html

  8. Comparison of sizes http://www.profiledesigninc.com/OMOS-SO-Matrix-Reach4theStars-HR.html

  9. Outer layers are shed leaving the core

  10. Planetary Nebulae http://www.astro.washington.edu/users/balick/WFPC2/plneb.jpeg

  11. A cool, dim dwarf star…

  12. Size of a white dwarf http://www.astro.washington.edu/users/balick/WFPC2/plneb.jpeg

  13. And then…. (Depending on the size….

  14. Supernova Less than 25 times bigger than our Sun http://mephistope.homelinux.org/docu/0000/img/supernova/

  15. ..then a neutron star http://usersguidetotheuniverse.com/wp-content/uploads/2011/04/xray_neutronstar.jpg http://ircamera.as.arizona.edu/NatSci102/NatSci102/images/neu_star.jpg

  16. Or if more than 25 times bigger then our Sun… http://keckobservatory.org/images/files/magazine/dec07_1_10.gif

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