De la tierra a la luna
Esto representa la tierra... ¡Vale! ...y esto representa... ¿qué crees? ¿La luna? Sí. Bueno, nuestro primer desafío es: ¿Cuanta distancia las separa? Aproximadamente. Aproximadamente... ¿más o menos...
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Have you ever wondered how the earth stays in orbit around the sun? I mean, the pull of gravity is stronger the closer you are to the sun, so you'd think that if the earth got bumped slightly...
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You may have heard physicists describe the moon as being 1.3 light-seconds away, or the sun as 8 light-minutes away, and thought "what is this nonsense? measuring distances with...
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