NASA lost radio contact with the Mars Polar Lander moments before the spacecraft entered the Martian atmosphere.
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NASA's Pathfinder Space probe landed on Mars.
Sputnik 2 soviet spacecraft burned up, returning through Earth's atmosphere.
Soviet Space Program's Vega 1, which was launched on December 15, 1984, released a space probe to enter Venus.
Apollo 10 was launched from the John F. Kennedy Space Center on a mission to the Moon.
NASA's Lunar Prospector spacecraft was deliberately crashed into the Moon’s south pole.
