The cold dark vacuum of space envelops Galileo as it continues its journey around our solar system's largest planet, Jupiter. Galileo is not alone on this journey, however, as a dedicated crew of people here on Earth monitor its health and care for its every need. The planet, which is composed of gas, is orbiting a star called Epsilon Eridani. As they add another three to the list of over 40 known planets outside our solar system, a team of astronomers based in California is beginning to see patterns, including hints that many extrasolar planets may have siblings. Visit the Tracking Station for a full listing of upcoming launches.
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