Why the Venus Transit Is One of the Most Important Events in Scientific History [Astronomy]

On June 5, the planet Venus will appear to pass in front of the Sun as seen from the surface of the Earth. This phenomenon, called a transit of Venus, happens only a few times in 250 years. The next one will be in 2117 AD. Here's a guide to watching the once-in-a-lifetime event. But why does it matter? More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/RtVKl2yEesk/why-the-venus-transit-is-one-of-the-most-important-events-in-scientific-history

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