The comet photo by Rosetta’s OSIRIS narrow-angle camera in August 2014 from a distance of 285 km. The comet is about 4 km in diameter with a rotating period of hours. It is moving through space at a speed of km per hour.
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.
Hubble compie 25 anni, l'album delle immagini più spettacolari