Io, one of Jupiter's larger moons, was discovered by Galileo in the 17th century and has been the object of detailed imaging by NASA's Voyager and Galileo spacecraft.
(Io; was discovered; by Galileo; T:in the 17th century) (Io; has been; the object of detailed imaging by NASA's Voyager and Galileo spacecraft)
Io Io
was discovered has been
by Galileo T:in the 17th century
the object of detailed imaging by NASA's Voyager and Galileo spacecraft