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Astronomy版 - A Great Year for the Perseids Meteor Shower[zz]
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s******o
发帖数: 298
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This famous shower, rich in bright meteors with long-lasting trains, calls
for some offbeat observing projects.
By Roger W. Sinnott
The thin crescent Moon sets early on the evening of August 12th, leaving the
sky fully dark for this year's Perseid meteor shower. The display should peak
later that night for observers throughout the Northern Hemisphere, especially
as morning twilight begins. That's when the radiant (the patch of sky between
Perseus and Cassiopeia from which the Perseids appear to
1 (共1页)
进入Astronomy版参与讨论
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相关话题的讨论汇总
话题: shower话题: perseids话题: meteor话题: year话题: great