18 dezembro 2014

NGC 7331 and Beyond



Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. Since the galaxy's disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. The effect is further enhanced in this sharp image from a small telescope by galaxies that lie beyond the gorgeous island universe. The most prominent background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away. Their close alignment on the sky with NGC 7331 occurs just by chance. Seen through faint foreground dust clouds lingering above the plane of Milky Way, this visual grouping of galaxies is known as the Deer Lick Group.



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Some states require much stricter training requirements for...





Some states require much stricter training requirements for manicurists than for armed guards. See how yours stacks up.


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pbstv: Did you know we’re in all these places? Follow...

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75th Anniversary of NASA Ames



December 20, 2014 marks NASA Ames Research Center's 75th Anniversary. The center was established in 1939 as the second laboratory of the National Advisory Committee for Aeronautics, and was named for the chair of the NACA, Joseph S. Ames. It was located at Moffett Field in Sunnyvale, California, now at the heart of Silicon Valley. The Laboratory was renamed the NASA Ames Research Center with the formation of NASA in 1958. This June 2, 1943 photograph shows the construction of the Ames full-scale 40- by 80-foot wind tunnel, with a side view of the entrance cone and a blimp in the background. Image Credit: NASA



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A young Carl Jung with his young wife Emma...





A young Carl Jung with his young wife Emma Jung


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