Slide 1How Far is Far? Slide 2 Slide 3 Average of 238,000 Miles Earth to Moon Distance Slide 4 93,000,000 Miles 1 Astronomical Unit (AU) Sun to Earth Distance Slide 5 BodyAU…

1. The Astrophysical Journal, 772:110 (16pp), 2013 August 1 doi:10.1088/0004-637X/772/2/110 C 2013. The American Astronomical Society. All rights reserved. Printed in the…

Slide 1 Keeping (Better) Track of the Universe’s Baryons Jacqueline Monkiewicz AST 591, Sept. 24, 2010 Gas goes in… …gas comes out. Slide 2 2010 Decadal Review, Panel…

Lecture 34 â Galaxies and the Universe Repeatedly said there are other galaxies. Now details Large Magellanic Cloud (satellite to Milky Way) . Distance=50 kpc. Pic:http://antwrp.gsfc.nasa.gov/apod/ap010804.html…

COPYRIGHT 2004 SCIENTIFIC AMERICAN, INC. 2 TABLE OF CONTENTS ScientificAmerican.com exclusive online issue no. 15 MYSTERIES OF THE MILKY WAY Viewed from above, it appears…

Local Group Our galactic neighborhood consists of one more 'giant' spiral (M31, Andromeda), a smaller spiral M33 and lots of (>35 galaxies), most of which are…

Slide 1 Spiral Galaxies Slide 2 Elliptical Galaxies Slide 3 Irregular Galaxies Slide 4 Classification of Galaxies Slide 5 Properties of Galaxies SpiralsEllipticalsIrregulars…