Yet the most intriguing aspect to Europa is a potential water ocean existing beneath the cracking surface ice crust. Conjecture on extraterrestrial life has ensured a high profile for the moon and has led to steady lobbying for future missions. Strategic international exploration of the solar system could possibly lead to human missions to the Moon, asteroids, Mars and then on - to Europa by the mid-21st century.
Origin: shieldufoproject.blogspot.com