31 Euphrosyne is the 12th-largest and the 5th-most-massive asteroid in the asteroid belt, discovered by James Ferguson on September 1, 1854.
31 Euphrosyne is the 12th - largest and the 5th - most - massive asteroid in the asteroid belt , discovered by James Ferguson on September 1 , 1854 .
The 31 Euphrosyne was discovered by whom?
The 31 Euphrosyne was discovered by whom ?
James Ferguson
James Ferguson