NASA Astronomy Pictures of the Day [Week 6/2010]

NASA Astronomy Pictures Of The Day [Week 6/2010] — Please subscribe to: • www.YouTube.com • www.YouTube.com — ► A Sun Halo Over Cambodia Have you ever seen a halo around the Sun? This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. Each ice crystal acts like a miniature lens. Because most of the crystals have a similar elongated hexagonal shape, light entering one crystal face and exiting through the opposing face refracts 22 degrees, which corresponds to … antwrp.gsfc.nasa.gov ► Night Launch of the Space Shuttle Endeavour Sometimes, the space shuttle launches at night. Pictured above, the space shuttle Endeavour lifted off in yesterday’s early morning hours from Launch Pad 39A in Kennedy Space Center, Florida, USA, bound for the International Space Station (ISS). A night launch, useful for reaching the space station easily during some times of the year, frequently creates … antwrp.gsfc.nasa.gov ► 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 60000 light-years across, M51’s spiral arms and dust lanes clearly sweep in front of its companion galaxy (top), NGC 5195. Image data from the Hubble’s Advanced Camera for Surveys has been reprocessed to … antwrp.gsfc.nasa.gov ► Teide Sky Trails The snow capped Teide volcano is reflected in a pool of water in …
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