Space dust is tough enough to survive supernova aftermath
Star-seeding soot lingers long after explosion’s reverse shock waves, astronomers discover

STUBBORN DUST A patch of dust (outlined in white) sits near the center of supernova remnant Sagittarius A East. The dust has survived both the explosion (reddish orange) and its reverse shock wave (blue).
Lau et al/Science 2015; SOFIA, PACS, Chandra, VLA