Bones Gordon

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themanliness.net [16]

Emily Springfield (Pseudonym)

APOD: M51: X-Rays from the Whirlpool (2014 Jun 10) Image Credit & Copyright: X-ray: NASA, CXC, R. Kilgard (Wesleyan U.) et al.; Optical: NASA, STScI http://apod.nasa.gov/apod/ap140610.html Explanation: What if we X-rayed an entire spiral galaxy? This was done (again) recently by NASA's Chandra X-ray Observatory for the nearby interacting galaxies known as the Whirlpool (M51). Hundreds of glittering x-ray stars are present in the above Chandra image of the spiral and its neighbor. The image is a conglomerate of X-ray light from Chandra and visible light from the Hubble Space Telescope. The number of luminous x-ray sources, likely neutron star and black hole binary systems within the confines of M51, is unusually high for normal spiral or elliptical galaxies and suggests this cosmic whirlpool has experienced intense bursts of massive star formation. The bright cores of both galaxies, NGC 5194 and NGC 5195 (right and left respectively), also exhibit high-energy activity. In this false-color image where X-rays are depicted in purple, diffuse X-ray emission typically results from multi-million degree gas heated by supernova explosions. http://www.nasa.gov/ http://www.chandra.si.edu/photo/2014/m51/ http://www.wesleyan.edu/astro/ http://adsabs.harvard.edu/abs/2014AAS...22431402K http://www.stsci.edu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140610 #APOD

APOD: Open Cluster NGC 290: A Stellar Jewel Box (2014 Jun 08) Image Credit: ESA & NASA; Acknowledgement: E. Olszewski (U. Arizona) http://apod.nasa.gov/apod/ap140608.html Explanation: Jewels don't shine this bright -- only stars do. Like gems in a jewel box, though, the stars of open cluster NGC 290 glitter in a beautiful display of brightness and color. The photogenic cluster, pictured above, was captured recently by the orbiting Hubble Space Telescope. Open clusters of stars are younger, contain few stars, and contain a much higher fraction of blue stars than do globular clusters of stars. NGC 290 lies about 200,000 light-years distant in a neighboring galaxy called the Small Cloud of Magellan (SMC). The open cluster contains hundreds of stars and spans about 65 light years across. NGC 290 and other open clusters are good laboratories for studying how stars of different masses evolve, since all the open cluster's stars were born at about the same time. http://www.spacetelescope.org/news/heic0603/ http://hubblesite.org/news/2006/17 http://www.nasa.gov/hubble http://www.as.arizona.edu/people/faculty/edward-w-olszewski http://www.as.arizona.edu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140608 #APOD

invocado:

Have you ever thought about this: http://t.co/vbN4R7VjgA

The pen that can mimic every colour in the world

Think of Photoshop’s eye dropper tool’s ability to take any colour it wants and use it for its own. Now imagine that on a real-life pen. Point at a …

This is Glaucus Atlanticus, a sea slug found in tropical and temperature waters throughout the world: http://t.co/zTCWEhwOWc

The shelter staff said they do this all day. http://t.co/6z9IBgrGCk