MISSIONS TO MARS
A Report for the Academic Challenge Program
by Stephanie Wong
Written in May 1998, revised September 1998.
NASA has been sending spacecraft to Mars for decades now. Mariner 4 was
the first spacecraft to flyby Mars -- any planet for that matter. In 1971,
Mariner 9 orbited the planet. Presently, after numerous failed missions
by both the Russian and US space agencies, NASA has gone back to Mars.