WASP-17b is located in a constellation identified by which astronomer?
WASP-17b: WASP-17b is an exoplanet in the constellation Scorpius that is orbiting the star WASP-17. Scorpius:  Scorpius is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century.
identified by the Greek astronomer Ptolemy