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The Umbra of Earth

The Umbra of Earth - space, umbra, moon, earth, satellite, shadow
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Wallpaper Description:
The dark, inner shadow of planet Earth is called the umbra. Shaped like a cone extending into space, it has a circular cross section most easily seen during a lunar eclipse. For example, last Saturday the Full Moon slid across the southern half of Earth's umbral shadow, entertaining moonwatchers around much of the planet. In the total phase of the eclipse, the Moon was completely within the umbra for 51 minutes. Recorded from Beijing, China, this composite eclipse image uses successive pictures from totality (center) and partial phases to trace out a large part of the umbra's curved edge. Background stars are visible in the darker eclipse phases. The result shows the relative size of the shadow's cross section at the distance of the Moon, as well as the Moon's path through Earth's umbra.
lara Uploaded by lara on . The Umbra of Earth - Desktop Nexus Space Download free wallpapers and background images: The Umbra of Earth. Desktop Nexus Space background ID 904906. The dark, inner shadow of planet Earth is called the umbra. Shaped like a cone extending into space, it has a circular cross section most easily seen during a lunar eclipse. For example, last Saturday the Full Moon slid across the southern half of Earth's umbral shadow, entertaining moonwatchers around much of the planet. In the total phase of the eclipse, the Moon was completely within the umbra for 51 minutes. Recorded from Beijing, China, this composite eclipse image uses successive pictures from totality (center) and partial phases to trace out a large part of the umbra's curved edge. Background stars are visible in the darker eclipse phases. The result shows the relative size of the shadow's cross section at the distance of the Moon, as well as the Moon's path through Earth's umbra. Rating: 4.2

Wallpaper Comments (3)

Talana
Posted by Talana on 12/20/11 at 12:25 PM
:) Thank you for sharing :)
Deejai
Posted by Deejai on 12/18/11 at 09:44 PM
Terrific Lara and thanks as always for the info!
Gurra12345
Posted by Gurra12345 on 12/15/11 at 11:19 AM
Awesome! I couldn't see the last lunar eclipse that took place some week ago or so because of the cloudy weather. +1 fav :)
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Wallpaper Statistics

Total Downloads: 358
Times Favorited: 5
Uploaded By: lara
Date Uploaded: December 15, 2011
Filename: 2011Dec10WangLetian.jpg
Original Resolution: 3912x3648
File Size: 1.32MB
Category: Satellites

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