<p style="text-align:center"></p> <p>More than three-quarters of the planet candidates discovered by NASA’s Kepler spacecraft have sizes ranging from that of Earth to that of Neptune, which is nearly four times as
<p style="text-align:center"></p> <p>A long-standing puzzle in the study of exoplanets is the formation of hot Jupiters – gas giant planets that snuggly orbit their host star. To explain their short orbital
<p>The existence of a world with a double sunset, as portrayed in the film Star Wars more than 30 years ago, is now scientific fact. NASA’s Kepler mission has made
<p>NASA’s Kepler spacecraft has discovered the first confirmed planetary system with more than one planet crossing in front of, or transiting, the same star.</p> <p>The transit signatures of two distinct planets