NASA 4) Butterfly Nebula (NGC 6302) Located in the constellation Scorpius, the structure of this nebula is one of the most fragile and complex that has ever been studied. The butterfly shape has lead scientists to name it's structure a "bipolar structure."
Messenger reveals close-ups of Mercury's sun-scorched surface
Cygnus Spacecraft Approaches Space Station in the Sunset On Saturday April 22 2017 Expedition 51 Flight Engineer Thomas Pesquet of the European Space Agency photographed Orbital ATK's Cygnus spacecraft as it approached the International Space Station. Using the station's robotic Canadarm2 Cygnus was successfully captured by Pesquet and Commander Peggy Whitson at 6:05 a.m. EDT Saturday morning. April 26 2017