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In my January column, I challenged readers to look for some of the finest naked-eye features on the Moon during lunar perigee — when the Moon is closest to Earth in its elliptical orbit. But have you ever wondered if we can tell whether the Moon is at perigee or apogee (when it's farthest away) using only our unaided eyes? The problem is that during the night the Moon sails across the vast vault o...
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May 2008: Although Comet Holmes did not rival Comet McNaught in brightness or develop a spectacular tail, it did flare nearly half a million times in brightness. By
Stephen James O'Meara //
Published: May 1, 2008 |
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