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Solar energy reaching the earth is about 1350 W/m2 outside the earth?s atmosphere, and 950 W/m2 on earth?s surface normal to the sun on a clear day. Someone is marketing 2 m X 3 m photovoltaic cell pa
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The solar system
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Where is Venus located in the asteroid belt?
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The solar system
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Where is Saturn located in the asteroid belt?
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An asteroid estimated, with a mass of 4.2 times 10^8 kg, is in the same orbital plane (1 AU from the Sun) and heading toward Earth. Engineers want to use a solar sail to push the asteroid directly away from the sun and out of Earth’s orbital path (sa
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How many planets have an asteroid belt?
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