Microwave. Telescopes. Parvaneh, Shelby & Marleena. Visit www.worldofteaching.com For 100’s of free powerpoints. Discovery (domestic use). Microwaves have wavelengths range from centimeters to those closer to a foot in length. Longer are for heating food. Shorter waves Doppler radar
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Parvaneh, Shelby & Marleena
For 100’s of free powerpoints
Universe was once much smaller, hotter, and denser
COBE’s findings at different levels of contrast: