Slide 11 To Be or Not to Be: The Mysteries of Disk Formation Around Rapidly Spinning Be Stars Douglas R. Gies Department of Physics and Astronomy Center for High Angular…

Slide 1THE CANNONBALL MODEL AND SHORT HARD BURSTS Arnon Dar 44 th Rencontre De Moriond, La Thuile, Italy, February 1-8, 2009 Based on work done in collaboration with Shlomo…

ar X iv :1 40 2. 73 38 v1 [ as tro -p h.S R] 2 8 F eb 20 14 UNDERSTANDING THE EVOLUTION OF CLOSE BINARY SYSTEMS WITH RADIO PULSARS O. G. Benvenuto, M. A. De Vito Facultad…

Slide 1 Magnetars: SGRs and AXPs Slide 2 Magnetars in the Galaxy ~7 SGRs, ~12 AXPs, plus candidates, plus radio pulsars with high magnetic fields (about them see arXiv: 1010.4592)……

Slide 1 Chapter 21 Stellar Explosions Slide 2 21.1Life after Death for White Dwarfs 21.2The End of a High-Mass Star 21.3Supernovae Supernova 1987A 21.4The Formation of the…

Slide 1 1. accretion disk - flat disk of matter spiraling down onto the surface of a star. Often from a companion star. Slide 2 2. alpha process - Two step process in the…

Slide 1 Stellar Explosions Slide 2 Introduction Life after Death for White Dwarfs The End of a High-Mass Star Supernovae Supernova 1987A The Crab Nebula in Motion The Formation…

Slide 1 1. White Dwarf If initial star mass < 8 M Sun or so. (and remember: Maximum WD mass is 1.4 M Sun, radius is about that of the Earth) 2. Neutron Star If initial…

Slide 1 What is Dark Energy? Josh Frieman Fermilab and the University of Chicago Slide 2 2 Slide 3 Abell 0957 Cluster 550 million light years away Slide 4 Abell 2255 Cluster…

* TORAH LIGHT MINISTRIES P.O. Box 2500 OROVILLE WA 98844 The SIGN and the Flood: Lesson #4 * The SIGN and the Flood: Lesson #4 I. Recap: A. The first pass caused the earth…