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The sun is one of billions of stars in the Milky Way galaxy , that is one of billions of galaxies in the universe . Look , if Hooters can have an airline , think of what you guys could do with a fully armed and operational bikini squad inside of every Galaxy transport . The Stardust team is seeking volunteers to help search for these tiny samples of matter from the galaxy , using a virtual microscope ( VM ) . Metcalf and White show that gravitational distortion of these structures would allow a radio telescope to produce high-resolution images of the cosmic mass distribution which are more than ten times sharper than the best that can be made using galaxy distortions . The presence of hot interstellar gas has been detected in the halos of a number of disk galaxies that have been involved in recent collisions or mergers . The rate of the hard X-ray transients in the central part of the Andromeda Galaxy appears to be comparable to that of the central part of our own Galaxy . Topics include : early cosmological models , geocentric vs. heliocentric theory , curvature of space , Hubble 's Law , Big Bang Theory , microwave background radiation , evolution of stars and galaxies , dark matter , active galaxies , quasars and the future of the universe . Zwicky inferred that there must be more to galaxies than meets the eye - - invisible mass , or " dark matter , " as he called it in a 1933 paper . " Galaxy 12 's successful launch marks the completion of PanAmSat 's strategy to strengthen our U.S. video coverage with reliable backup as we introduce smaller , more versatile and robust C-band satellites that provide excellent in-orbit protection , as well as support the delivery of emerging technologies and video services , such as HDTV and expanded Homeland Security applications , " said Joe Wright , president and chief executive officer of PanAmSat . We believe that these structures are formed by gravity but precisely how is not clear and when the stars within galaxies corm is very uncertain .