http://apod.nasa.gov/apod/ap110502.html
Jupiter's Great Red Spot from Voyager 1 (6 May 2011)
Going on as long as we have had the capabilities of viewing Jupiter' s surface is a storm that is twice the size of Earth. In regards to our Solar System it is the largest storm of its sort. The spot was a sort of mystery directly after its discovery and still to this day details of how and why the storm changes its shape, color and size remain uncertain. The best way to understand its properties would be to compare it to the storms right here on Earth. The above image is a recently completed digital enhancement of an image of Jupiter taken in 1979 by the Voyager 1 spacecraft as it passed by Jupiter. At about 117AU from Earth, Voyager 1 is currently the most distant human made object in the universe and expected to leave the entire solar heliosheath relatively soon.
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