3 Questions
What is the approximate speed at which solar radiation travels from the sun to the Earth?
299,792 kilometers per second
What is the primary source of energy for solar radiation?
Nuclear fusion reactions in the sun's core
What percentage of solar radiation is absorbed by the Earth's surface and atmosphere?
About 70%
Test your knowledge of solar radiation with this multiple-choice quiz. Explore questions about the primary source of solar energy, the speed of solar radiation, and the percentage absorbed by the Earth's surface and atmosphere. See how much you know about this key aspect of Earth's energy balance.
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