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KENNEDY SPACE CENTER, FLA. -- Workers guide the lifting of the first stage of a Delta II rocket up the gantry at Launch Complex 17B, Cape Canaveral Air Station. The rocket will be used to launch the Mars Polar Lander on Jan. 3, 1999. The lander is a solar-powered spacecraft designed to touch down on the Martian surface near the northern-most boundary of the south pole in order to study the water cycle there. The lander also will help scientists learn more about climate change and current resources on Mars, studying such things as frost, dust, water vapor and condensates in the Martian atmosphere. It is the second spacecraft to be launched in a pair of Mars '98 missions. The first is the Mars — NASA KSC · 1998. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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