Saturday, May 22, 2010

Earth's revolution



Something which fascinates me is how fast we are actually moving!

Last night at the dinner table my dad brought up how fast a train called the Eurorail goes.

He said it travels at a speed of 400km/h. I then looked up how fast the earth revolves around the sun. It goes at a speed of 29km/s which is approximately 1740km/h.


It is very strange that we don't feel ourselves moving and this brings us to the thought of how small we actually are in comparison to the Universe.

It is also strange that it takes us so long to make one revolution when we are moving so fast and this shows how big the Sun actually is.

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