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This animation shows how the remarkable merger event that created the galaxy cluster Abell 2944, nicknamed Pandora’s Cluster, may have happened. The red regions are clouds of very hot gas, detected by their X-ray emission. The blue clouds are regions rich in dark matter that can only be discovered indirectly by their gravitational influence. This animation shows how the different components behaved over a period of several million years, leading up to their currently observed positions.
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Video Length: 0
Date Found: June 23, 2011
Date Produced: June 22, 2011
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July 13, 2011
Millions of people are giving up their dentures for dental implants and now a new Xbox game will help dentists and their patients create the perfect smile.  credit: Ivanhoe
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July 13, 2011
This video sequence compiles data from Hubble’s observations of Neptune to show the blue-green planet rotating on its tilted axis. A day on Neptune is 16 hours long, and Hubble took images of the planet every four hours. Some of Neptune's moons are also shown.
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July 13, 2011
The STS-135 Flight Day 4 wakeup call was "Tubthumping" by Chumbawamba played for Mission Specialist Sandy Magnus.
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July 13, 2011
A video recap of flight day 3 of the STS-135 mission of space shuttle Atlantis to the International Space Station.  credit: NASA
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July 13, 2011
After four previous trips to repair and upgrade the Hubble Space Telescope, it was time for the Shuttle to make one final service call to install new, advanced instruments, batteries, gyros and insulation on the astronomical icon.  credit: NASA
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