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Date: 2012-11-19 11:00:30NGC objects Messier objects Sagittarius constellation Orion–Cygnus Arm Carina–Sagittarius Arm Perseus Arm Milky Way Orion Nebula Nebula Astronomy Milky Way Galaxy Space | 3 Our Place in the Milky Way Within 5000 light years of our sun, there are 4 separate spiral arms. The following segments represent the locations of these four spiral arms:Add to Reading ListSource URL: spacemath.gsfc.nasa.govDownload Document from Source WebsiteFile Size: 138,20 KBShare Document on Facebook |
Exercise #2 Astronomy Ranking Task: Motion of the Sky Description: If you could see both the Sun and the other stars during the day, this is what the skyDocID: 1lVV6 - View Document | |
Exercise #1 Astronomy Ranking Task: Motion of the Sky Description: If you could see both the Sun and the other stars during the day, this is what the skyDocID: 1lbQo - View Document | |
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Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre Sheperd S. Doeleman1, Jonathan Weintroub2, Alan E. E. Rogers1, Richard Plambeck3, Robert Freund4, Remo Tilanus5,6, Per FribergDocID: 18XoH - View Document | |
The Astrophysical Journal Letters, 727:L36 (6pp), 2011 February 1 Cdoi:L36DocID: 18VbN - View Document |