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ScienceCasts: A Wonderful Night in April

ScienceAtNASA ScienceAtNASA·117 videos
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Published on Apr 5, 2012

Visit http://science.nasa.gov/science-news/... for more.

If you have to chose just one night in April to go out and look at the stars, NASA scientists say it should be April 21st. This week's ScienceCast explains what makes that one night so special.

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