How to Measure Our Big Universe?

| July 18, 2011
 

There is no doubt that the universe is a pretty big place and to measure it is almost impossible for anybody because you cannot really define and start and end points on it. If you try to move out from the Earth towards the universe you will find that there are multiple artificial satellites that revolve around our planet and it certainly takes them days and months together to make one full circle. Watch this video to get some ideas on how to measure the size of our big universe.

The best way to understand how big our universe is to start measuring the distance in speed of light. If you travel at the speed of light it would take you around one second from the Earth to reach Moon’s orbit. However, when you move further away from the Earth it would take you an hour at the speed of light only to be somewhere in the orbit of the planets surrounding Earth. Further it would take around one day at the speed of light to move out of the solar system. Even when you move at the speed of light for one whole year you are never too far from Sun’s true brightness in the universe space. It would take you 70 light years to reach to an extent where radio signals can reach but that is just a small portion of the Milky Way galaxy and to cross it you would need 100,000 light years. See photos below for better understanding.



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Category: Space Exploration

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