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12 cards from this deck
Electromagnetic (EM) radiation
Longer than infrared, shorter than radio waves
Cooking and satellite communication
Cosmic Microwave Background Radiation
Big Bang theory
13.8 billion years ago
Leftover energy from Big Bang
380,000 years old
Cause water molecules to vibrate, producing heat
Pass through Earth's atmosphere
Less affected by weather
Universe has been expanding and cooling
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