Physics 360 Astronomy and Astrophysics Fall 2008 Class Notes

• Mon06Oct2008

• Solar Corona in "white" light
• Image sequence of the photosphere through chromsphere
• Animated image of granules and convective motion on the photosphere
• Very nice series of Solar photographs at different wavelengths At Boston.com "Boston Globe". I particularly recommend image 3 which is a movie of the collision of a CME with a comet, and the animation in image 9.

• Wed08Oct2008

• Wikipedia article on Solar Constant, f, variation, Solar Cycle and Climate
• Current Extended Solar Cycle Minimum
• Image of Davis Solar Neutrino experiment 100,000 gallons of perchloroethylene located in a mine 4900 feet below the surface. (Very hires image - slow to load)
• Wikipedia article on Neutrino oscillation

• Fri10Oct2008

• History of scale of our universe discovery.
• Image of Globular cluster.
• Best estimate of Milky Way seen face on.
• Image of spectacular edge-on spiral: Sombrero Galaxy (M104).
• Sombrero Galaxy (M104) in IR.
• Animated HR diagram Follow the evolutionary track of a typical low mass stars.
• Interactive Java HR diagram Follow the evolutionary track of various mass stars.
• Nice color graphic and explanation of HR diagram

• Mon13Oct2008

• Artists conception of Nova binary system.
• Roche Potential Surface wikimedia graphic.
• Supernovae at Wikipedia A few nice images of remnants.
• Wikipedia article on recent supernova 1987a In Large Magellanic cloud - fairly close to us. Very well studied. - Neutrinos from core collapse detected.
• Type 1a Supernova. Short specific article at wkipedia with artists conception on these very important "standard candles".
• Detailed Wikipedia article on Black Holes.

• Extras - (undated at this moment)

• using Stefan-Boltzmann to estimate the temperature of the Earth and why it's not quite right - 255K or 0F
• Look what's in the center of our galaxy
• Observed orbits of stars at the very center of our galaxy