eclab - AST 3722C Spring 2008 Extra Credit Lab Total Lunar...

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AST 3722C - Spring 2008 Extra Credit Lab: Total Lunar Eclipse. Due before class on April 22. Instructions: Read through the entire lab to the end before starting it. This lab requires you to observe the total lunar eclipse on February 20. Since not everyone can be available for this, and not everyone will be under clear skies, this lab counts as extra credit of 10 points. You should remember from AST 2002 that a lunar eclipse occurs when the Sun, Earth, and the Moon are all aligned in a line, in that order. The Moon enters Earth’s shadow and so the there is no (or not much) sunlight getting to the surface of the Moon. A good website discussing the eclipse is http : // sunearth . gsfc . nasa . gov / eclipse / LEmono / TLE2008Feb21 / TLE2008Feb21 . html , and on that page is the following ±gure: This is a view of the sky looking down Earth’s shadow. Earth’s penumbra is the light gray ring and Earth’s umbra is the dark grey circle. Over the course of a few hours, the Moon traverses through the whole shadow, penumbra and umbra. For us, the total eclipse
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This note was uploaded on 11/09/2009 for the course AST 4700 taught by Professor Fernandez during the Spring '09 term at University of Central Florida.

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eclab - AST 3722C Spring 2008 Extra Credit Lab Total Lunar...

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