Astronomers with Kepler Mission find puzzling pair of planets
AMES, Iowa – Two planets with very different densities and compositions are locked in surprisingly close orbits around their host star, according to astronomers working with NASA’s Kepler Mission. One planet is a rocky super-Earth about 1.5 times the size of our planet and 4.5 times the mass. The other is a Neptune-like gaseous planet … Continue reading Astronomers with Kepler Mission find puzzling pair of planets