Deep ocean under Ganymede opens up possibilities of life

Q.  Which moon of Jupiter is the only one to have a magnetic field and the possibility of life?
- Published on 20 Jun 16

a. Ganymede
b. Io
c. Cassini
d. None of the above

ANSWER: Ganymede
 
Discovery marks a milestone accomplished by Hubble, which in 25 years in orbit has made scientific discoveries in the solar system. Deep ocean under the icy crust of Ganymede opened up exciting possibilities of life on earth.
  • NASA’s Hubble Space telescope revealed the best evidence for underground saltwater ocean on Ganymede, Jupiter’s largest moon
  • Subterranean ocean is thought to have more water than all water on Earth’s surface
  • Ganymede is the largest moon in the solar system and the only moon with its magnetic field

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