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Extragalactic astronomy
Results: 1057

#	Item
391	Galaxy Distances and Mixed Fractions Our Milky Way galaxy is not alone in the universe, but has many neighbors. The distances between Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2010-05-02 13:33:16 Space NGC objects Unbarred spiral galaxies Local Group Messier objects Parsec Sombrero Galaxy Cosmic distance ladder Milky Way Astronomy Extragalactic astronomy Spiral galaxies
392	A ‘Galactic City’ in the Far Reaches of our Universe Astronomers have recently discovered a massive cluster of young galaxies that formed when the universe was only about 1 billion years old. The light from these ga Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2011-02-04 11:55:40 Local Group Spiral galaxies Physical cosmology Galaxy Milky Way Cosmic distance ladder Galaxy formation and evolution Astronomy Physics Extragalactic astronomy
393	PDF Document Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2010-05-02 04:33:06 Virgo Supercluster Galaxy Virgo Cluster Gamma-ray burst Milky Way Spiral galaxy Hubble sequence Galaxy formation and evolution Astronomy Extragalactic astronomy Space
394	31 Black Holes….IV Thanks to two orbiting X-ray observatories, astronomers have the first strong evidence of a supermassive black hole ripping apart a star and consuming a portion of it. The event, Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2008-02-15 11:24:32 Supermassive black holes Black holes Extragalactic astronomy Milky Way Galaxy Quasar Mass Galactic Center Stellar black hole Astronomy Physics Galaxies
395	Minor mergers have massive consequences for black holes By Dr. Ethan Siegel When you think of our sun, the nearest star to our world, you think of an isolated entity, with more than four light years separating it from i Add to Reading List Source URL: spaceplace.nasa.gov Language: English - Date: 2015-01-12 12:39:38 Black holes Galaxies Local Group Spiral galaxies Supermassive black hole Milky Way Chandra X-ray Observatory Active galactic nucleus Binary black hole Astronomy Extragalactic astronomy Space
396	Episode 50: The Death of Spiral Galaxies with Kat Griffiths Physicists: Ben Tippett, Sean Moran, Laura Hainline Copyright Ben Tippett, Transcribed By William Blewitt ! Add to Reading List Source URL: titaniumphysicists.brachiolopemedia.com Language: English - Date: 2015-01-11 03:34:31 Spiral galaxies Local Group Galaxy formation and evolution Stellar evolution Galaxy Elliptical galaxy Dark matter Milky Way Star formation Astronomy Physics Extragalactic astronomy
397	Hercules A Some galaxies have extremely bright cores, suggesting that they contain a supermassive black hole that is pulling in matter at a prodigious rate. Astronomers call these “active galaxies,” and Hercules A is Add to Reading List Source URL: chandra.harvard.edu Language: English - Date: 2014-11-25 12:11:15 Galaxies Supermassive black holes Milky Way Elliptical galaxy Active galactic nucleus Black hole Abell 400 American Astronomical Society 215th meeting Astronomy Extragalactic astronomy Space
398	NGC 4736 NGC 4736 is a spiral galaxy that is unusual because it has two ring structures. This galaxy is classified as containing a “low ionization nuclear emission region,” or LINER, in its center, which produces rad Add to Reading List Source URL: chandra.harvard.edu Language: English - Date: 2014-11-25 12:11:07 Spiral galaxies Lenticular galaxies Intermediate spiral galaxies Low-ionization nuclear emission-line region NGC objects NGC Astronomy Extragalactic astronomy Peculiar galaxies
399	Galactic Get Together Has An Impressive Light Display At this time of year, people all over the world are celebrating this festive season with beautiful light displays. This new image of two colliding galaxies is a cosm Add to Reading List Source URL: www.unawe.org Language: English - Date: 2014-12-11 11:36:11 Space Ultraluminous X-ray source Spiral galaxies Extragalactic astronomy Galaxy Milky Way Interacting galaxy NGC Galaxy formation and evolution Astronomy X-ray astronomy Barred spiral galaxies
400	PDF Document Add to Reading List Source URL: chandra.harvard.edu Language: English - Date: 2014-11-25 12:09:30 Spiral galaxies Lenticular galaxies Intermediate spiral galaxies Low-ionization nuclear emission-line region NGC objects NGC Astronomy Extragalactic astronomy Peculiar galaxies

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