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syzygy Master Cartographer Reged: 10/06/05 Posts: 1524 Loc: Hungary Bullet Pillars in Orion       03/26/07 02:18 PM Edit   Reply   Quote   Quick Reply   Credit & Copyright: Gemini Observatory, AURA, NSF Explanation: Why are bullets of gas shooting out of the Orion Nebula? Nobody is yet sure. First discovered in 1983, each bullet is actually about the size of our Solar System, and moving at about 400 km/sec from a central source dubbed IRc2. The age of the bullets, which can be found from their speed and distance from IRc2, is very young -- typically less than 1,000 years. As the bullets rip through the interior of the Orion Nebula, a small percentage of iron gas causes the tip of each bullet to glow blue, while each bullet leaves a tubular pillar that glows by the light of heated hydrogen gas. Pictured above, the Orion bullets were captured in unprecedented detail by the adaptive optics technology of the Gemini North telescope. M42, the Orion Nebula, is the closest major star forming region to us and filled with changing dust, gas, and bright stars. The Orion Nebula, is located about 1,500 light years away and can be seen with the unaided eye toward the constellation of Orion. credits: NASA-APOD -------------------- Frequently Asked Questions have already been Answered Image hosting: ImageShack and photobucket avatar legend Post Extras

Entire topic Subject Posted by Posted on APOD - the best ever astronomy pics syzygy 09/04/06 07:59 AM A Bubble in Cygnus syzygy   11/17/08 01:43 AM A True Image from False Kiva syzygy   09/29/08 01:17 AM Yuri's Planet syzygy   04/12/08 04:52 AM Re: Yuri's Planet bullet_time   08/14/08 05:03 AM thanks and NGC 6888 syzygy   08/14/08 08:14 AM Stickney Crater, moon Phobos, Mars syzygy   04/11/08 09:59 AM What Do You See, Bright Eyes? - Mars syzygy   01/29/08 10:04 AM Bright Clumpy Moonlets and Cold Saturn Mittens syzygy   01/08/08 02:41 AM Saturn's Infrared Glow syzygy   12/29/07 03:06 AM Mars and Orion Over Monument Valley syzygy   12/26/07 04:15 AM City of Tiny Lights syzygy   11/17/07 03:34 AM Ring Scan syzygy   10/25/07 08:36 AM Circle of Confusion syzygy   10/20/07 08:24 AM The Fantastic Skies of Orphan Stars syzygy   10/18/07 09:49 AM Re: APOD - the best ever astronomy pics syzygy   10/11/07 10:30 AM A Hole in Mars Close Up syzygy   09/27/07 11:10 PM LUNAR TRANSIT syzygy   04/30/07 06:28 AM Carina Nebula Panorama from Hubble syzygy   04/25/07 06:19 AM NGC 5139: Omega Centauri syzygy   04/19/07 01:00 AM Sun in a new light -gallery- syzygy   03/31/07 02:41 AM Bullet Pillars in Orion syzygy   03/26/07 02:18 PM A Blue Crescent Moon from Space syzygy   03/20/07 12:27 AM Hubble's latest - disk galaxy NGC 5866 syzygy   03/05/07 01:23 PM Stars, Dust and Nebula in NGC 2170 syzygy   02/28/07 01:02 AM Re: APOD - the best ever astronomy pics swetepi   02/25/07 02:45 PM Planetary Nebula NGC 2440 syzygy   02/15/07 03:03 AM 'OIL SLICK' CLOUD syzygy   02/12/07 05:14 AM Galaxies Away syzygy   02/08/07 01:33 AM The Milky Way Over Paranal - animation syzygy   01/29/07 05:14 AM New Moon courting Venus & Comet McNaught arrives syzygy   01/20/07 09:27 AM Upgrading ISS syzygy   12/26/06 01:57 AM Re: Upgrading ISS Kempster   12/26/06 06:54 AM Re: Upgrading ISS syzygy   12/26/06 07:00 AM IC 2118: The Witch Head Nebula syzygy   12/12/06 04:58 AM Beauty of the Sky - by Éder Iván astrophotographer syzygy   10/30/06 12:47 PM Re: Beauty of the Sky - by Éder Iván astrophotogra heamit   01/22/07 01:13 AM Help Search for Interstellar Dust !!! syzygy   10/26/06 01:36 AM saturn -heavenly glory- syzygy   10/16/06 02:02 PM Re: saturn -heavenly glory- no_stranger   03/04/07 11:29 AM Re: APOD - the best ever solar sys pic Aulo   10/05/06 09:22 AM Re: APOD - the best ever solar sys pic syzygy   10/05/06 10:36 AM Re: APOD - the best ever solar sys pic Villaman   09/06/06 12:16 AM Re: APOD - the best ever solar sys pic masterlink78   09/05/06 04:06 PM Pluto syzygy   09/05/06 11:59 PM

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