Slide 1 Slide 2 Galaxies & the Universe Modified by D. Dailey Hewitt-Trussville High School Slide 3 It does this by precisely measuring the speed of gas and stars around…
Slide 1 Slide 2 What is a Galaxy? A galaxy is made of billions of stars, dust, and gas all held together by gravity.A galaxy is made of billions of stars, dust, and gas all…
Slide 1 Active Galactic Nuclei Thomas Schlenker University of Washington Department of Physics PHYS 496 -What is an AGN? -What kinds of AGN’s are out there? -Unified theory…