SUNSET ALERT: When the sun goes down tonight, step outside and look west. Weather permitting you'll see a slender equinox crescent Moon hanging above the rosy glow of sunset. Framed by the cobalt blue of early evening, the Moon reveals its "da Vinci glow" or Earthshine, a pale impression of the full Moon inside the vivid crescent--a beautiful sight. Consider it an appetizer for Tuesday. On April 8th, the still-slender crescent passes almost directly in front of the Pleiades star cluster. Also known as the Seven Sisters, the dipper-shaped Pleiades are visible to the naked eye even from urban areas and they look wonderful through binoculars. Tuesday evening's delicate conjunction of Luna and the Seven Sisters should not be missed. Visit http://spaceweather.com for sky maps, photos and more information
Monday, April 7, 2008
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