Dark energy by david spergel
Stellar Magnitudes and Distances Ways of measuring a star’s brightness and distance. Ohio University - Lancaster Campus slide 1 of 46 Spring 2009 PSC 100.
Luminosity and Colour of Stars Michael Balogh Stellar Evolution (PHYS 375)
Spectral Study of CAL87 Ken Ebisawa (JAXA/ISAS) Dai Takei (Rikkyo University) Thomas Rauch (University of Tuebinen) 1Spectral Study of CAL87.
The Small Angle Approx- imation The 2 shows the fact that the natural units for angle here are “radians”; 2 of them for a full circle (so 57.3 degrees.
1 What is the Dark Energy? David Spergel Princeton University.
The Family of Stars Please press “1” to test your transmitter.
The Continuous Spectrum of Light Stellar Parallax The Magnitude Scale The Wave Nature of Light Blackbody Radiation The Quantization of Energy The Color.
University of Wisconsin – Eau Claire Continuing Education Dr. Nathan Miller Department of Physics & Astronomy To the Stars and Beyond WELCOME BACK!
CMB Early times. Galaxies and clusters of galaxies Today NGC 1512.
Introduction To Modern Astronomy II
Distance and Brightness Stellar Parallax The Magnitude Scale.