n. 1 energy that is transmitted in the form of rays or waves or particles; 2 the act of spreading outward from a central source
The sun's rays contain harmful radiation.
The sun's rays contain harmful radiation.
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What can astronomers determine by studying the light and other radiation from the stars?
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What serves as a protective layer against UV radiation and keeps the earth warm?
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What does too much ultraviolet radiation cause?
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Phoenix and Shanghai followed Sal on the motorcycle, when the radiation reached 9.1. What happened to Sal?
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Sunburn is caused by ultraviolet radiation.
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How did the radiation treatments affect Hugh?
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What is black hole radiation now called?
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They could sense radiation in the infrared.
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How did the radiation make Mrs. McCaffery feel?
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The telemeter measured the sun's radiation then relayed the information.
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The radiation of a hypernovae could cause harm if it was close enough to earth.
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beam; ray; sunbeam
dark
4 syllables
ra-di-a-tion
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