Author
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Topic: Total Lunar Eclipse Feb. 20
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M. Spector
rabble-rouser
Babbler # 8273
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posted 20 February 2008 03:40 PM
It's a clear night in Toronto. If it's clear where you live, step outside this evening and look at the full Moon. It will be passing through the Earth's shadow, causing it to become dark and orange/red. The whole process takes several hours, so you can check back from time to time during commercial breaks or while waiting for a response to your latest brilliant post. The times below are Eastern Standard Time. Just convert for your own time zone. (The diagram below gives PST times) The eclipse happens simultaneously from all viewpoints.
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Partial eclipse start 8:43 pm Total eclipse start 10:00 Midpoint 10:26 Total eclipse end 10:52 Partial eclipse end 12:09 am
The next lunar eclipse won't be for a couple of years, so don't miss this chance. The eclipse is safe to observe with the naked eye, binoculars, or a telescope. As the shadow of the Earth covers the Moon, it doesn't become completely dark. Light refracted through the Earth's atmosphere still reaches the shadowed Moon and gives it a dull brown or reddish glow. The exact color of the glow and its darkness depend on the sootiness of our atmosphere - how recently volcanoes have gone off and how much cloud cover, storm activity, and human pollution there is around the globe. As the shadow of the Earth moves across the bright face of the Moon, note that the edge of the shadow is curved. This proved to the ancient Greek astronomers that the Earth was round! [ 22 February 2008: Message edited by: M. Spector ]
From: One millihelen: The amount of beauty required to launch one ship. | Registered: Feb 2005
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Albireo
rabble-rouser
Babbler # 3052
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posted 20 February 2008 05:09 PM
Hmmm... that sounds like one of those myths that circulates by email, like Mars looking as big as the moon at opposition (er... not).Anyway, partial eclipse is on right now. Everybody stick your heads out your door or window to take a look. The Earth's shadow on the moon is curved, which is how the ancients figured out that the Earth is round. It's an amazing sight, and it'll be totally eclipsed from 10:00 EST / 7:00 PST for about 52 minutes. Will it be orange, red, copper, or pink? My money's on some sort of Tartan pattern.
From: --> . <-- | Registered: Sep 2002
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