Scientists using NASA's Kepler, a space telescope, lately exposed six planets made of a mix of rock and gases orbiting a single sun-like star, known as Kepler-11, which is situated approximately 2,000 light years from Earth."The Kepler-11 planetary system is astounding," said Jack Lissauer, a planetary scientist and a Kepler knowledge team member at NASA's Ames Research Center, Moffett Field, Calif.
In other words, Kepler-11 has the fullest, most compact environmental system yet discovered beyond our own.
According to Lissauer, Kepler-11 is an amazing planetary system whose architecture and dynamics provide clues about its formation. The planets Kepler-11d, Kepler-11e and Kepler-11f have a significant amount of light gas, which Lissauer says indicates that at least these three planets created early in the history of the planetary system, within a few million years.
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