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Pre-Service Teachers Institu
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The Pre-Service Teachers Ins
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7/18/08
| Description |
The Pre-Service Teachers Institute sponsored by Jackson (Miss.) State University participated in an agencywide Hubble Space Telescope workshop at Stennis Space Center on July 18. Twenty-five JSU junior education majors participated in the workshop, a site tour and educational presentations by Karma Snyder of the NASA SSC Engineering & Safety Center and Anne Peek of the NASA SSC Deputy Science & Technology Division. |
| Date |
7/18/08 |
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Dusty Death of a Massive Sta
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| Title |
Dusty Death of a Massive Star |
| Description |
The supernova remnant1E0102.2-7219 (inset) sits next to the nebula N76 in a bright, star-forming region of the Small Magellanic Cloud, a satellite galaxy to our Milky Way galaxy located about 200,000 light-years from Earth. A supernova remnant is made up of the messy bits and pieces of a massive star that exploded, or went supernova. The image on the right shows glowing dust grains in three wavelengths of infrared radiation: 24 microns (red) measured by the multiband imaging photometer aboard NASA's Spitzer Space Telescope, and 8.0 microns (green) and 3.6 microns (blue) measured by Spitzer's infrared array camera. The red bubble is a dust envelope around the supernova remnant E0102, which is being heated by the shock wave created in the explosion of the remnant's massive progenitor star some 1,000 years ago. Most of the blue stars are in the Small Magellanic Cloud, though some are in our own galaxy. The close-up of E0102 on the left is a composite of the infrared observations by Spitzer (red), an optical image (0.5 microns) captured by NASA's Hubble Space Telescope (green), and X-ray measurements by NASA's Chandra X-ray Observatory (blue). The X-ray ring is generated when the reverse shock slams into stellar material that was expelled during the explosion. |
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Dusty Death of a Massive Sta
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| Title |
Dusty Death of a Massive Star |
| Description |
The supernova remnant1E0102.2-7219 (inset) sits next to the nebula N76 in a bright, star-forming region of the Small Magellanic Cloud, a satellite galaxy to our Milky Way galaxy located about 200,000 light-years from Earth. A supernova remnant is made up of the messy bits and pieces of a massive star that exploded, or went supernova. The image on the right shows glowing dust grains in three wavelengths of infrared radiation: 24 microns (red) measured by the multiband imaging photometer aboard NASA's Spitzer Space Telescope, and 8.0 microns (green) and 3.6 microns (blue) measured by Spitzer's infrared array camera. The red bubble is a dust envelope around the supernova remnant E0102, which is being heated by the shock wave created in the explosion of the remnant's massive progenitor star some 1,000 years ago. Most of the blue stars are in the Small Magellanic Cloud, though some are in our own galaxy. The close-up of E0102 on the left is a composite of the infrared observations by Spitzer (red), an optical image (0.5 microns) captured by NASA's Hubble Space Telescope (green), and X-ray measurements by NASA's Chandra X-ray Observatory (blue). The X-ray ring is generated when the reverse shock slams into stellar material that was expelled during the explosion. |
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Dusty Death of a Massive Sta
…
| Title |
Dusty Death of a Massive Star |
| Description |
The supernova remnant1E0102.2-7219 (inset) sits next to the nebula N76 in a bright, star-forming region of the Small Magellanic Cloud, a satellite galaxy to our Milky Way galaxy located about 200,000 light-years from Earth. A supernova remnant is made up of the messy bits and pieces of a massive star that exploded, or went supernova. The image on the right shows glowing dust grains in three wavelengths of infrared radiation: 24 microns (red) measured by the multiband imaging photometer aboard NASA's Spitzer Space Telescope, and 8.0 microns (green) and 3.6 microns (blue) measured by Spitzer's infrared array camera. The red bubble is a dust envelope around the supernova remnant E0102, which is being heated by the shock wave created in the explosion of the remnant's massive progenitor star some 1,000 years ago. Most of the blue stars are in the Small Magellanic Cloud, though some are in our own galaxy. The close-up of E0102 on the left is a composite of the infrared observations by Spitzer (red), an optical image (0.5 microns) captured by NASA's Hubble Space Telescope (green), and X-ray measurements by NASA's Chandra X-ray Observatory (blue). The X-ray ring is generated when the reverse shock slams into stellar material that was expelled during the explosion. |
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Peering into the Heart of th
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| Title |
Peering into the Heart of the Crab Nebula |
| Full Description |
In the year 1054 A.D., Chinese astronomers were startled by the appearance of a new star, so bright that it was visible in broad daylight for several weeks. Today, the Crab Nebula is visible at the site of the "Guest Star." Located about 6,500 light-years from Earth, the Crab Nebula is the remnant of a star that began its life with about 10 times the mass of our own Sun. Its life ended on July 4, 1054 when it exploded as a supernova. In this image, NASA's Hubble Space Telescope has zoomed in on the center of the Crab to reveal its structure with unprecedented detail. The Crab Nebula data were obtained by Hubble's Wide Field and Planetary Camera 2 in 1995. Images taken with five different color filters have been combined to construct this new false-color picture. Resembling an abstract painting by Jackson Pollack, the image shows ragged shards of gas that are expanding away from the explosion site at over 3 million miles per hour. The core of the star has survived the explosion as a pulsar, visible in the Hubble image as the lower of the two moderately bright stars to the upper left of center. The pulsar is a neutron star that spins on its axis 30 times a second. It heats its surroundings, creating the ghostly diffuse bluish-green glowing gas cloud in its vicinity, including a blue arc just to its right. The colorful network of filaments is the material from the outer layers of the star that was expelled during the explosion. The picture is somewhat deceptive in that the filaments appear to be close to the pulsar. In reality, the yellowish green filaments toward the bottom of the image are closer to us, and approaching at some 300 miles per second. The orange and pink filaments toward the top of the picture include material behind the pulsar, rushing away from us at similar speeds. The various colors in the picture arise from different chemical elements in the expanding gas, including hydrogen (orange), nitrogen (red), sulfur (pink), and oxygen (green). The shades of color represent variations in the temperature and density of the gas, as well as changes in the elemental composition. Kris Davidson (U. Minn.) led the research team of William P. Blair (JHU), Robert A. Fesen (Dartmouth), Alan Uomoto (JHU), Gordon M. MacAlpine (U. Mich.), and Richard B.C. Henry (U. Okla.) in the collection of the HST data. The Hubble Heritage Team created the color image from black and white data processed by Dr. Blair. |
| Date |
06/01/2000 |
| NASA Center |
Hubble Space Telescope Center |
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Hubble Captures a "Five-Star
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| Title |
Hubble Captures a "Five-Star" Rated Gravitational Lens |
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Hubble Captures a "Five-Star
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| Title |
Hubble Captures a "Five-Star" Rated Gravitational Lens |
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Hubble Captures a "Five-Star
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| Title |
Hubble Captures a "Five-Star" Rated Gravitational Lens |
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In the Heart of the Crab
| Title |
In the Heart of the Crab |
| Explanation |
The supernova [ http://imagine.gsfc.nasa.gov/docs/science/know_l1/supernovae.html ] explosion that formed the Crab Nebula [ http://www.seds.org/messier/m/m001.html ] was first seen [ http://oposite.stsci.edu/pubinfo/pr/96/22/crabhist.html ] on the year 1054. Last week, astronomers released [ http://heritage.stsci.edu/public/2000june1/crab.html ] a new image of the still-evolving center of the explosion. The above representative-color photograph [ http://heritage.stsci.edu/public/2000june1/displaycrab.html ] was taken in colors emitted by specific elements [ http://chemlab.pc.maricopa.edu/periodic/about.html#history ] including hydrogen [ http://chemlab.pc.maricopa.edu/periodic/h.html ] (orange), nitrogen [ http://pearl1.lanl.gov/periodic/elements/7.html ] (red), sulfur [ http://pearl1.lanl.gov/periodic/elements/16.html ] (pink), and oxygen [ http://pearl1.lanl.gov/periodic/elements/8.html ] (green), with the result appearing oddly similar to a Jackson Pollock [ http://metalab.unc.edu/wm/paint/auth/pollock/ ] painting. Visible is a complex array of gas filaments [ http://antwrp.gsfc.nasa.gov/apod/ap980208.html ] rushing out at over 5 million kilometers per hour. Even at these tremendous speeds, though, it takes a filament over 600 years to cross the 3 light year [ http://www.howstuffworks.com/question94.htm ] wide frame. The rapidly spinning neutron star [ http://www.astro.umd.edu/~miller/nstar.html ] remnant [ http://antwrp.gsfc.nasa.gov/apod/ap981128.html ] of this ancient cataclysm [ http://violet.pha.jhu.edu/~wpb/hstcrab/hstcrab.html ] is visible as the lower of the two bright stars just above the photograph [ http://heritage.stsci.edu/public/2000june1/crabtable.html#facts ] center. The Crab Nebula [ http://antwrp.gsfc.nasa.gov/apod/ap991122.html ] (M1 [ http://antwrp.gsfc.nasa.gov/apod/ap960626.html ]) is located 6,500 light-years away towards the constellation [ http://www.starshine.com/frankn/constell.asp ] of Taurus [ http://www.astronomical.org/constellations/tau.html ]. |
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