'This 2-letter-named moon of Jupiter is the most volcanically active body in the solar system'
Io
SCIENCE: This 2-letter-named moon of Jupiter is the most volcanically active body in the solar system
This 2-letter-named moon of Jupiter is the most volcanically active body in the solar system
This 2-letter-named moon of Jupiter is the most volcanically active body in the solar system
SCIENCE
Io
SCIENCE