Who am I? Where is here? When is now? Often when I aim at the stars when Im in retreat at night I shudder to think of my insignificance in the immensity of the Universe. The distances in the Universe are inconceivably huge, so we measure them in unprovoked- elegants or fire up years. A light spot is the distance light travels in one minute, and thats a long way, because light travels through space at 300,000 km a second. So in a minute it would travel 18,000,000 km. The distance of the Sun from the earth is about eight-spot light- transactions__which means that the light falling on us has travelled eight minutes through space before it reaches us.
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When we advert at the Sun it is actually what it was like eight minutes before. Same is the case with other planets, e.g. if Mars is x light-hours away(predicate) from us, and somebody goes on Mars and looks at the earth with a mightily telescope he would see the earth as it looked x hours before. If we could reach Mars in x hours, whitethorn be, we, on Mars look...If you want to get a profuse essay, army it on our website:
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