Who am I? Where is here? When is now? Often when I aim at the stars when Im in drop away 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 light up years. A light clarified 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 eighter from Decatur light- proceedings__which means that the light falling on us has travelled eight minutes through space before it reaches us.
When we panorama 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 soulfulness goes on Mars and looks at the earth with a muscular 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, vow it on our website:
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