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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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June 2008: Sharing is a joy doubled. That's why I want to thank everyone who took the time to tell me about their own observing experiences — those related to wonders covered in this column and to other curiosities in the sky. Now I'd like to share with you a few reader reports. By
Stephen James O'Meara //
Published: June 1, 2008 |
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