When the moon blocks sunlight from reaching a portion of the earths surface?

It's a solar eclipse. The next one is scheduled for sometime in 2012
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How long does sunlight take to reach earth?

This varies with the Earth's distance from the Sun, but it takes the light from the Sun between 8 and 8 1/2 minutes to reach the Earth.
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Why can't sunlight reach the surface of the earth by conduction or convection?

  You have the Sun over there in space and the Earth over here in space. OK? For conduction to work the two bodies must be physically touching - the sun and the earth are (MORE)

How long does it take the sunlight to reach earths surface?

A little over 8 minutes The speed of light is 299,792,458 m/s (we'll use 3x10^8 m/s)The average distance from the Earth to the Sun is 149.6x10^9 mtime = distance/velocityt ≈ (MORE)

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What happens to most of the sunlight that reaches Earth?

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What would happen if a thick layer of smog covered the earth so that sunlight could not reach its surface?

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How long does it take sunlight to reach the moon?

Sunlight reaches the Moon about 8 minutes after it leaves the Sun, virtually the same time it takes to reach Earth. The Moon can be up to 1.25 light-seconds closer or farther (MORE)

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