'Blood moon' awes Hanoi sky watchers

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Young stargazers in Hanoi were treated to a lunar eclipse Wednesday, a celestial show that bathed the moon in a reddish tint to create a "blood moon."
During the total lunar eclipse, light beams into Earth's shadow, filling it with a coppery glow that gives it a red hue.
Only when the moon was totally eclipsed did the redness appear. The total eclipse was also to last about an hour, and ditto for the return to its normal colour. The total eclipse happened at 17:54 pm in Hanoi. 
The total eclipse is the second of four over a two-year period that began April 15 and concludes on Sept. 28, 2015. The so-called tetrad is unusual because the full eclipses are visible in all or parts of the United States, according to retired NASA astrophysicist Fred Espenak.
Photos courtesy of Thienvanhanoi.org

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