The U.S. House Appropriations Committee included $15 million in the agency's fiscal 2007 appropriations bill for a robotic landing mission to Europa, one of Jupiter's moons at the behest of Rep. John Culberson, R-Texas. The move counters what critics say is a broad move by NASA away from its scientific mandate to explore the solar system.Planetary scientists consider Europa to be the premier chance of finding life elsewhere in the solar system because of its Earth-like seas under its ice-covered surface [video]. A mission to the Jovian moon started to fall by the wayside as the space agency begins to focus resources on a return to the Moon by 2019 and a human terk to Mars by 2030.
"The body has an active surface and is likely to have [salt] water very close to what is found on earth," explained Joe Burns, a professor of engineering and astronomy at Cornell University. "There is the real possibility for some biological activity."




















The new boosters "I and V" designations pay homage to the Apollo program's Saturn I and Saturn V rockets while serving as a pseudonym for Mars - the long-term Constellation Program goal. The 






