Slide 1Everything you always wanted to know about stars… Material from Chapters 8 and 9 in Horizons by Seeds 0 Slide 2 The Spectra of Stars Inner, dense layers of a star…

Slide 1 Hour 2: Stars, Stellar Evolution, and Creation of Chemical Elements The Sun & Nuclear Fusion - Energy for Life The Sun Compared With Other Stars Stellar Evolution…

Slide 1 An Astronomy GradNet Tech Talk: Searching for Eclipsing Binary Stars Jonathan Devor, Ph.D. October 20, 2008 Slide 2 Slide 3 Stellar structure: understanding how stars…

Slide 1 The Family of Stars Chapter 8: Slide 2 Organizing the Family of Stars: The Hertzsprung-Russell Diagram We know: Stars have different temperatures, different luminosities,…

Slide 1 Slide 1 Slide 2 Slide 2 How to classify a star and to place it on the H-R diagram correctly?? Need to know its luminosity, but it is difficult, because distance is…

Slide 1 The Trigonometric Parallax B p B = 1 AU = 1.496*10 13 cm d = (1/p[arcsec]) parsec d 1 pc = 3.26 LY ≈ 3*10 18 cm Slide 2 The Moving Cluster Method x   …

Cosmic Perspective Sec. 15.1 Explain how knowledge of Stefan-Boltzmann law leads to understanding of temperatures and radii of stars. Summarize the circumstances under which…

Stellar Evolution Stellar Evolution Chapter 12 Think, Pair, Share Our sun started out as a: Protostar Class G star Neutron star Red giant star Which stars are the most prevalent…

Properties of Stars Distances to Stars The distance to a nearby star can be measured by observing its parallax - the apparent shift of its position on the sky relative to…