
NASA’s Cassini spacecraft successfully completed its Oct. 1, 2011 flyby of Saturn’s moon Enceladus and its jets of water vapor and ice.
Neutron stars are so dense, that a soup can full of neutron star material would have more mass than the Moon.
NASA’s Wide-field Infrared Survey Explorer observed the star-forming cloud NGC 281 in the constellation of Cassiopeia as it appears to be chomping through the cosmos. Earning the nickname ”Pacman”

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in the so-called habitable zone where liquid water could exist on a planet’s surface, but they are the smallest exoplanets ever confirmed around a star like our sun.






