The "transiting" planet - meaning one that passes in front of its parent star as seen from Earth - is about 70% larger than Jupiter. But the presumed "gas giant" has a much lower mass than Jupiter - the biggest planet in our Solar System - making it of extremely low density... The new exoplanet, called TrES-4, is located in the constellation of Hercules and was discovered by a team working on the Transatlantic Exoplanet Survey (TrES)... TrES-4 circles the star GSC02620-00648, which lies about 1,435 light-years away from Earth. Being only about seven million km (4.5 million miles) from...