July 16, 2014 Minkowski’s Footprint, a protoplanetary nebula in Cygnus Image Credit: ESA/Hubble & NASA Minkowski’s Footprint [designated Minkowski 92 (M1-92) and IRAS 19343+2926] is a bipolar protoplanetary nebula, located about 8,000 light-years away from Earth in the northern constellation of Cygnus (the Swan), that features two vast onion-shaped structures on either side of a central [continue reading]