Mars Polar Lander


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Mars Polar Lander

A NASA mission to Mars launched Jan. 1999 to land in the planet's southern polar region. The probe was lost as it entered the Martian atmosphere in Dec. 1999.
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Just 10 weeks later, the Mars Polar Lander crash-landed on Mars and was lost, most likely because of a premature engine shutdown.
Despite the Mars Pathfinder Lander's successful touch down on the planet in July 1997, the consecutive failures of the $125 million Mars Climate Orbiter and the $165 million Mars Polar Lander may prolong the wait before people are sent to Mars.
Thomas Young, head of an independent team that investigated the flop, said his group was "almost certain" that the pounds 100million Mars Polar Lander probe failed because of an early shutdown of its braking rockets.
Pacific Standard Time on December 3, 1999, the Mars Polar Lander spacecraft beamed one last "okay-to-go" signal to Earth before descending into the dusty Martin atmosphere.
NASA mixes up centimeters and inches and sends its first Mars Polar Lander to a fiery death--and they have no idea where the second one went.
The Mars Polar Lander fell mysteriously silent in December as it entered the planet's atmosphere en route to a landing.
The second (and more disheartening of the two) was the loss of the Mars Polar Lander. At the time of this writing, no cause of the accident had been determined.
This is a great time to study Mars, because a NASA spacecraft called Mars Polar Lander has just touched down on the planet after a year-long trip from Earth.
The Mars Polar Lander is set to arrive on December 3.
The Mars Polar Lander is set to arrive on December 3 after a similar nine-month journey through space.
The other half of Mars Surveyor '98 is the Mars Polar Lander, due to arrive at the red planet just as MCO is settling into its orbital routine.
When NASA's Mars Polar Lander attempted to set down near the Red Planet's south pole in December 1999, the outcome was a pile of wreckage (see page 96).