Overview

Mueve un interruptor e inmediatamente tendrás luz. Ella viaja más rápido que cualquier otra cosa conocida y siempre proviene de una fuente. Descubre cómo viaja la luz y por qué el Sol es nuestra fuente más importante de luz. Flip a switch, and we instantly have light. It travels faster than anything we know of and always comes from a source. Find out how light travels and why the sun is our most important light source.

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9781668974285

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Julie K. Lundgren grew up in northern Minnesota near Lake Superior. She delighted in picking berries, finding cool rocks, and trekking in the woods. She still does! Julie's interest in nature science led her to a degree in biology. She adores her family, her sweet cat, and Adventure Days.

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