Robby
02-17-2008, 12:47 PM
http://antwrp.gsfc.nasa.gov/apod/image/0802/crabmosaic_hst.jpg (http://antwrp.gsfc.nasa.gov/apod/image/0802/crabmosaic_hst_big.jpg)
M1: The Crab Nebula from Hubble
Image Credit: NASA (http://www.nasa.gov/), ESA (http://hubble.esa.int/), J. Hester, A. Loll (ASU (http://sese.asu.edu/)); Acknowledgement: Davide De Martin (Skyfactory (http://www.skyfactory.org))
Explanation: This is the mess that is left when a star explodes. The Crab Nebula (http://www.seds.org/messier/m/m001.html), the result of a supernova (http://imagine.gsfc.nasa.gov/docs/science/know_l1/supernovae.html) seen in 1054 AD (http://www.seds.org/messier/more/m001_sn.html), is filled with mysterious (http://www.youtube.com/watch?v=f3A4CRoQA3A) filaments. The filaments (http://antwrp.gsfc.nasa.gov/apod/ap980208.html) are not only tremendously complex, but appear to have less mass than expelled (http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1995ApJ...454L.129F) in the original supernova and a higher speed than expected (http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1998PASP..110..831N) from a free explosion. The above image (http://hubblesite.org/newscenter/archive/releases/2005/37/), taken by the Hubble Space Telescope (http://antwrp.gsfc.nasa.gov/apod/ap950810.html), is presented in three colors chosen for scientific interest. The Crab Nebula (http://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search?crab) spans about 10 light-years (http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html). In the nebula's very center lies a pulsar (http://www.jb.man.ac.uk/~pulsar/Education/Sounds/sounds.html): a neutron star (http://www.astro.umd.edu/~miller/nstar.html) as massive as the Sun (http://www.nineplanets.org/sol.html) but with only the size of a small town (http://www.cityofhoughton.com/). The Crab Pulsar (http://antwrp.gsfc.nasa.gov/apod/ap020920.html) rotates about 30 times each second.
(Via NASA (http://antwrp.gsfc.nasa.gov/apod/ap080217.html))
M1: The Crab Nebula from Hubble
Image Credit: NASA (http://www.nasa.gov/), ESA (http://hubble.esa.int/), J. Hester, A. Loll (ASU (http://sese.asu.edu/)); Acknowledgement: Davide De Martin (Skyfactory (http://www.skyfactory.org))
Explanation: This is the mess that is left when a star explodes. The Crab Nebula (http://www.seds.org/messier/m/m001.html), the result of a supernova (http://imagine.gsfc.nasa.gov/docs/science/know_l1/supernovae.html) seen in 1054 AD (http://www.seds.org/messier/more/m001_sn.html), is filled with mysterious (http://www.youtube.com/watch?v=f3A4CRoQA3A) filaments. The filaments (http://antwrp.gsfc.nasa.gov/apod/ap980208.html) are not only tremendously complex, but appear to have less mass than expelled (http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1995ApJ...454L.129F) in the original supernova and a higher speed than expected (http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1998PASP..110..831N) from a free explosion. The above image (http://hubblesite.org/newscenter/archive/releases/2005/37/), taken by the Hubble Space Telescope (http://antwrp.gsfc.nasa.gov/apod/ap950810.html), is presented in three colors chosen for scientific interest. The Crab Nebula (http://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search?crab) spans about 10 light-years (http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html). In the nebula's very center lies a pulsar (http://www.jb.man.ac.uk/~pulsar/Education/Sounds/sounds.html): a neutron star (http://www.astro.umd.edu/~miller/nstar.html) as massive as the Sun (http://www.nineplanets.org/sol.html) but with only the size of a small town (http://www.cityofhoughton.com/). The Crab Pulsar (http://antwrp.gsfc.nasa.gov/apod/ap020920.html) rotates about 30 times each second.
(Via NASA (http://antwrp.gsfc.nasa.gov/apod/ap080217.html))