Close Jupiter, the largest planet in our solar system, is 1,300 times the Earth's size but does not behave as it should or as scientists predict. MRI research accidentally discovered the answer as to why gas planets are magnetic. (Photo : NASA/JPL/Space Science Institute / Wikimedia Commons) Jupiter as seen by the space probe "Cassini". This is the most detailed global color portrait of Jupiter ever assembled. It is produced from several high resolution images taken a little more than a day before Cassini's closest approach to Jupiter. Jupiter, a Confusing Planet Since its discovery, Jupiter ...