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How many Years to reach the centre star of Orions belt at light speed?
Wiki User
∙ 15y ago
To answer this question you must take into account the effects of relativity. All stars of orions belt are 1500 light years away, ie 1.42 x 1019 m. According to Newtonian physics it would take 1.42 x 1019 \ c = 4.7 x 1010s = 1500 years, where c is the speed of light. Now this is not true according to Einsteinian physics. according to Einsteinian physics as an object gains velocity its mass increases exponentially towards infinity as velocity approaches c. It is therefore impossible to travel at the speed of light as you would require more and more energy to accerate at a constant rate to c. In fact you would require infinite amounts of energy to reach c. You would also have infinite mass and this would do who knows what to the universe or space-time-continuum. in short this was probably a trick question, it is impossible. Maybe the question needs to be asked again but with a different speed, say 0.95c.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoTo travel at the speed of light it would take 100'000 years to cross the milky way
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