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Message: <blockquote data-quote="KrAzY_iN_LuV" data-source="post: 7468798" data-attributes="member: 210849">NASA's website contains a  wealth of amazing photographs. Here is a collection of some of my  favorites from NASA's Image of  the Day Gallery  which can be found on the NASA website.    <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa01.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />      Ring of Fire -- This image from the Solar Dynamics Observatory's Atmospheric Imaging  Assembly (AIA) shows in  great detail a solar prominence taken from a March 30, 2010 eruption.  The twisting motion of the material is the most noticeable feature.  Launched on Feb. 11, 2010, SDO is the most advanced spacecraft ever  designed to study the sun. During its  five-year mission, it will examine the sun's  magnetic field and also provide a better understanding of the role the sun plays in Earth's  atmospheric chemistry and climate.  SDO will provide images with clarity  10 times better than high-definition television and will return more  comprehensive science data faster than any other solar observing  spacecraft. NASA/SDO/AIA                                     <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa02.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Experience Hubble's Universe in 3-D  -- This image depicts a vast canyon of dust and gas in the Orion Nebula  from a 3-D computer model based on observations by NASA's Hubble  Space Telescope and created by science visualization specialists at  the Space Telescope Science Institute (STScI) in Baltimore,  Md. A 3-D visualization of this model takes viewers on an amazing  four-minute voyage through the 15-light-year-wide canyon. The model  takes viewers through an exhilarating ride through the Orion Nebula, a  vast star-making factory 1,500 light-years away. This virtual space  journey isn't the latest video game  but one of several groundbreaking astronomy visualizations created by  specialists at STScI, the science operations center for NASA's Hubble  Space Telescope. The cinematic space odysseys are part of the new Imax  film Hubble 3D. While Hubble pictures of celestial objects are  awe-inspiring, they are flat 2-D photographs. For this film, those 2-D  images have been converted into 3-D environments, giving the audience  the impression they are space travelers taking a tour of Hubble's most  popular targets.  NASA, G. Bacon,  L. Frattare, Z. Levay, and F. Summers (STScI/AURA)      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa03.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    The Birth of Stars -- This new Hubble photo is but a small  portion of one of the largest seen star-birth regions in the galaxy, the  Carina Nebula. Towers of cool hydrogen laced with dust rise from the  wall of the nebula. Reminiscent of Hubble's classic image of the Eagle  Nebula dubbed the 'Pillars of Creation' this image is even more striking  in appearance. Captured here are the top of a three-light-year-tall  pillar of gas and the dust that is being eaten away by the brilliant  light from nearby bright stars. The  pillar is also being pushed apart from within, as infant stars buried  inside it fire off jets  of gas that can be seen streaming from towering peaks like arrows  sailing through the air. NASA, ESA, and M.  Livio and the Hubble 20th Anniversary Team (STScI)      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa04.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    M51 Hubble Remix -- The 51st  entry in Charles  Messier's famous catalog is perhaps the original spiral nebula--a  large galaxy with a well defined spiral structure also cataloged as NGC  5194. Over 60,000 light-years across, M51's spiral arms and dust lanes  clearly sweep in front of its companion galaxy, NGC 5195. Image data  from the Hubble's Advanced  Camera for Surveys was reprocessed to produce this alternative  portrait of the well-known interacting galaxy pair. The processing  sharpened details and enhanced color and contrast in otherwise faint  areas, bringing out dust lanes and extended streams that cross the small  companion, along with features in the surroundings and core of M51  itself. The pair are about 31 million light-years distant. Not far on  the sky from the handle of the Big Dipper, they officially lie within  the boundaries of the small constellation Canes Venatici. NASA, Hubble  Heritage Team, (STScI/AURA), ESA, S. Beckwith  (STScI). Additional Processing: Robert Gendler      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa05.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Assembly Line of Stars -- The constellation  Vulpecula is a veritable entire assembly line of newborn stars.  The diffuse glow reveals the widespread cold reservoir of raw material  that our Milky Way  galaxy has in stock for building stars.  Large-scale turbulence from the giant colliding galactic flows causes  this material to condense into the web of filaments seen in this image.  As the stellar material becomes colder and denser, gravitational forces  take over and fragment these filaments into chains of stellar embryos  that can finally collapse to form baby stars.  These scientific results from the European  Space Agency's Herschel infrared  space observatory are revealing previously hidden details of star  formation. New images show thousands of distant galaxies furiously  building stars and  beautiful star-forming clouds draped across the Milky Way.  Presented on  May 6, 2010, during a major scientific symposium held at ESA, the results  challenge old ideas of star birth, and open new roads for future  research.   NASA / ESA/Hi-GAL  Consortium      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa06.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    The Crab Nebula -- The Crab  Nebula, the result of a supernova noted by Earth-bound  chroniclers in 1054 A.D., is filled with mysterious filaments that are  are not only tremendously complex, but appear to have less mass than  expelled in the original supernova and a higher speed than expected from  a free explosion. The Crab Nebula spans about 10 light-years. In the  nebula's very center lies a pulsar: a neutron star as massive as the Sun but with  only the size of a small town. The Crab Pulsar rotates about 30 times  each second.  NASA, ESA, J. Hester,  A. Loll (ASU)      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa07.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Stellar Nursery in the Rosette Nebula  -- This image from the European Space Agency's Herschel Space Observatory shows the cloud associated  with the Rosette Nebula, a stellar nursery about 5,000 light-years from  Earth in the  Monoceros, or Unicorn, constellation. Herschel collects the infraredstars, which  will grow up to 10 times the mass of our sun.  The small spots near the center of the image are lower mass stellar  embryos. The Rosette Nebula itself, and its massive cluster of stars,NASA / ESA/PACS &  SPIRE Consortium/HOBYS Key Programme Consortia  light given out by dust. The bright smudges are dusty cocoons containing  massive embryonic  is  located to the right of the picture.         <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa08.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Trio of Galaxies Mixes It Up --  Though they are the largest and most widely scattered objects in the  universe, galaxies do collide. The Hubble Space Telescope has  photographed many pairs of galaxies colliding. Like snowflakes, no two  examples look exactly alike. This is one of the most arresting galaxy  smash-up images to date. At first glance, it looks as if a smaller  galaxy has been caught in a tug-of-war between a Sumo-wrestler pair of  elliptical galaxies. The hapless, mangled galaxy may have once looked  more like our Milky Way, a pinwheel-shaped galaxy. Now that it's caught  in a cosmic blender, its dust lanes are being stretched and warped by  the tug of gravity. Unlike the elliptical galaxies, the spiral is rich  in dust and gas for the formation of new stars.  It is the fate of the spiral galaxy to be pulled like taffy and then  swallowed by the pair of elliptical galaxies, which will trigger a  firestorm of new stellar creation.  NASA, ESA and R.  Sharples (University of Durham)      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa09.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Menkhib and the California  Nebula -- NASA's  Wide-field Infrared  Survey Explorer, or WISE, features one of the bright stars in the constellation Perseus, named Menkhib (at  upper left near the red dust cloud), surrounded by the large  star-forming California  Nebula, running diagonally through the image. Menkhib is one of the  hottest stars visible  in the night sky; its surface temperature is about 37,000 Kelvin (about  66,000 degrees Fahrenheit, or more than six times hotter than the sun). Because of  its high temperature, it appears blue-white to the human eye. It has  about 40 times the mass of our sun  and gives off 330,000 times the amount of light. Menkhib is a runaway  star, and the fast stellar wind it blows is piling up in front of it to  create a shock wave.  This shock wave  is heating up dust, which WISE sees as the red cloud in the upper left  of the image.  NASA/JPL-Caltech/UCLA       <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa10.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    The Wizard Nebula -- This image  of the open star cluster NGC 7380, also known as the Wizard Nebula, is a  mosaic of images from the WISE mission spanning an area on the sky of  about 5 times the size of the full moon.  NGC 7380 is located in the constellation Cepheus about 7,000  light-years from Earth within  the Milky  Way Galaxy. The star cluster is embedded in a nebula, which spans  some 110 light-years. The stars of NGC  7380 have emerged from this star-forming region in the last 5 million  years or so, making it a relatively young cluster. WISE, the Wide-field Infraredinfrared light, picking up the glow of hundreds of  millions of objects and producing millions of images. The mission is  designed to uncover objects never seen before, including the coolest stars, the  universe's most luminous galaxies and some of the darkest near-Earth  asteroids and comets.   NASA/JPL-Caltech/UCLA  Survey Explorer mission, scans the entire sky in       <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa11.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Winds of Change -- This is a  composite image of NGC 1068, one of the nearest and brightest galaxies  containing a rapidly growing supermassive black hole. The X-ray images  and spectra obtained using Chandra's High Energy Transmission Grating  Spectrometer show that a strong wind is being driven away from the  center of NGC 1068 at a rate of about a million miles per hour. This  wind is likely generated as surrounding gas is accelerated and heated as  it swirls toward the black hole. A portion of the gas is pulled into  the black hole, but some of it is blown away. High energy X-rays  produced by the gas near the black hole heat the ouflowing gas, causing  it to glow at lower X-ray energies. X-ray data from the Chandra X-ray  Observatory are shown in red, optical data from the Hubble Space  Telescope in green and radio data from the Very Large Array in blue. The  spiral structure of NGC 1068 is shown by the X-ray and optical data,  and a jet powered by the central supermassive black hole is shown by the  radio data. NGC 1068 is located about 50 million light years from Earth and  contains a supermassive black hole about twice as massive as the one in  the middle of the Milky  Way Galaxy.  X-ray (NASA/CXC/  MIT/C.Canizares, D.Evans et al), Optical (NASA/STScI),  Radio (NSF/ NRAO/VLA)      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa12.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    A Mosaic of Cassiopeia -- This  mosaic of images from the Wide-Field Infrared Survey Explore, or WISE, in the  constellation of Cassiopeia contains a large star-forming nebula within  the Milky  Way Galaxy, called IC 1805 or the Heart Nebula, a portion of which  is seen at the right of the image. IC 1805 is more than 6,000  light-years from Earth. Also  visible in this image are two nearby galaxies, Maffei 1 and Maffei 2. In  visible light these galaxies are hidden by dust in IC 1805 and were  unknown until 1968 when Paolo Maffei found them using infrared observations. Both galaxies contain billions  of stars and are  located some 10 million light-years away. Maffei 1 is a lenticular  galaxy, which has a disk-like structure and a central bulge but no  spiral structure or appreciable dust content. Maffei 2 is a spiral  galaxy that also has a disk shape, but with a bar-like central bulge and  two prominent dusty spiral arms. NASA/JPL-Caltech/UCLA       <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa13.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Bursting at the Seams -- Dramatic  plumes, both large and small, spray water ice out from many locations  along the famed 'tiger stripes' near the south pole of Saturn's moon Enceladus.  The tiger stripes are fissures that spray icy particles, water vapor  and organic compounds. This mosaic was created from two high-resolution  images that were captured by the narrow-angle camera when NASA's Cassini  spacecraft flew past Enceladus and through the jets on Nov. 21, 2009.  Imaging the jets over time will allow Cassini scientists to study the consistency of their  activity.  NASA/JPL/Space  Science Institute      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa14.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Earth's  Moon -- During its mission, the Galileo spacecraft returned a  number of images of Earth's only  natural satellite. Galileo surveyed the moon  on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-1997.  This color mosaic was assembled from 18 images taken by Galileo's  imaging system through a green filter. On the upperleft is the dark,  lava-filled Mare  Imbrium, Mare  Serenitatis (middle left), Mare Tranquillitatis (lower left), and Mare Crisium,  the dark circular feature toward the bottom of the mosaic. Also visible  in this view are the dark lava plains of the Marginis and Smythii  Basins at the lower right. The Humboldtianum Basin, a 400-mile impact  structure partly filled with dark volcanic deposits, is seen at the  center of the image. NASA/JPL/USGS      <img src="http://media.sacbee.com/static/weblogs/photos/images/2010/may10/nasa2_sm/nasa15.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />    Stately Saturn -- Saturn, stately and resplendent in this natural color  view, dwarfs its icy moon Rhea. Rhea  (949 miles in diameter) orbits beyond the rings on the right of the  image. The moon Tethys is  not shown here, but its shadow is visible on the planet on the left of  the image. This view looks toward the northern, sunlit side of the rings  from just above the ringplane. Images taken using red, green and blue  spectral filters were combined to create this natural color view. The  images were obtained with the Cassini spacecraft wide-angle camera on Nov. 4, 2009,  at a distance of approximately 808,000 miles from Saturn.  NASA/JPL/Space  Science Institute </blockquote>

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