This magnificent image is a portrait of the Earth taken in one single shot. At 121 megapixels, it is the highest resolution image of the planet ever and was taken by the geostationary Russian weather satellite the Electro-L.
NASA has proclaimed this image the MOST amazing high definition image of Earth ever. This ‘Blue Marble’ image of the Earth was taken from the VIIRS instrument aboard NASA’s most recently launched Earth-observing satellite – Suomi NPP.
NASA’s Cassini spacecraft has been studying Saturn and its moons since it entered orbit in This image, taken on Oct. is a stunning mosaic of the geologically active Enceladus after a Cassini flyby Photo By NASA/JPL/Space Science Institute
Jupiter's Galilean moons - Europa, Io, Callisto, and Ganymede - are visible with binoculars. First spotted by Galileo in
Astronomer proposes new limit on the definition of a planet. In a new article published in the Astrophysical Journal (arXiv.org preprint), Johns Hopkins University researcher Kevin Schlaufman sets the upper boundary of planet mass between 4 and 10 times the mass of Jupiter. Above: an artist’s rendering of an extrasolar gas giant. Image credit: NASA