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LONDON (Reuters) - Thousands of hopeful astronomers around the world tried to catch a glimpse of the year's only total lunar eclipse -- but those watching from Britain saw little more than cloud.

Watchers from the eastern United States saw it easily Wednesday night and had posted dozens of successful pictures on the Internet -- but by mid-morning none had been posted from Britain, where it should have been most visible between 3 a.m. and 4 a.m. British time Thursday (10 p.m. and 11 p.m. EST Wednesday).

"It's been pretty grim," said John Mason, spokesman for the British Astronomical Association. "There were a couple of gaps in the cloud for a couple of seconds from where I was but nothing else."

During the eclipse, the Earth lined up directly between the Sun and Moon, covering the latter with the Earth's shadow. Depending on atmospheric conditions on Earth, the moon should have appeared blood red, rusty or grey.

The Royal Astronomical Society had promised a "spectacular sight", saying that unlike a solar eclipse it could be viewed without any special equipment.

But in the event, special equipment would have been unnecessary anyway. The next lunar eclipse will not be seen until December 2010.

"It's bad luck," said Royal Astronomical Society spokesman Robert Massey. "But it's always one of these things when you're watching from the UK."

(Reporting by Peter Apps)

Total lunar eclipse turns Moon red,
R, 21.2.2008,
https://www.reuters.com/article/scienceNews/idUSL20284994
20080221/

Total Lunar Eclipse

Early Tuesday

August 26, 2007
Filed at 7:48 p.m. ET
The New York Times
By THE ASSOCIATED PRESS

DENVER (AP) -- The Earth's shadow will creep across the moon's surface early Tuesday, slowly eclipsing it and turning it to shades of orange and red.

The total lunar eclipse, the second this year, will be visible in North and South America, especially in the West. People in the Pacific islands, eastern Asia, Australia and New Zealand also will be able to view it if skies are clear.

People in Europe, Africa or the Middle East, who had the best view of the last total lunar eclipse in March, won't see this one because the moon will have set when the partial eclipse begins at 4:51 a.m. EDT. The full eclipse will begin an hour later at 5:52 a.m. EDT.

An eclipse occurs when Earth passes between the sun and the moon, blocking the sun's light. It's rare because the moon is usually either above or below the plane of Earth's orbit.

Since the Earth is bigger than the moon, the process of the Earth's shadow taking a bigger and bigger ''bite'' out of the moon, totally eclipsing it before the shadow recedes, lasts about 3 1/2 hours, said Doug Duncan, director of the University of Colorado's Fiske Planetarium. The total eclipse phase, in which the moon has an orange or reddish glow, lasts about 1 1/2 hours.

The full eclipse will be visible across the United States, but East Coast viewers will only have about a half-hour to see it before the sun begins to rise and the moon sets. Skywatchers in the West will get the full show.

In eastern Asia, the moon will rise in various stages of eclipse.

During the full eclipse, the moon won't be completely dark because some light still reaches it around the edges of the Earth. The light is refracted as it passes through our atmosphere, scattering blue light -- which is why the sky is blue -- but sending reddish light onto the moon.

''When someone asks why is it (the moon) red, you can say because the sky is blue,'' Duncan said.

The next total lunar eclipse occurs Feb. 21, 2008, and will be visible from the Americas, Europe and Asia.

Total Lunar Eclipse Early Tuesday,
NYT,
26 August 2007,
http://www.nytimes.com/aponline/us/
AP-Lunar-Eclipse.html - broken link

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