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doit_the_clown doit_the_clown
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7 years ago
What is the maximum time of totality for any total solar eclipse observed from the Earth's surface?
A)   About 7.5 minutes   C)   About 2 hours
B)   A full 12-hour period   D)   Only a few seconds
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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