Pacific coasts in line for solar eclipse

Moon will block sun, almost, for four minutes on Sunday

By Nadia Drake, 12:36 PM May 18, 2012

Look at the shadows cast by tree leaves late Sunday afternoon, and they might look a little different than usual. The usual dappled pattern of light passing through holes in the leaves might look a bit more curvy, a bit more ringlike.

That’s because the moon will slip in front of the sun on May 20, eclipsing most of the star’s disk but leaving the glowing edges uncovered, an event called an annular eclipse. During such an eclipse, the sun resembles a ring of fire in the sky with a big black h...

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