Astrophysics (Index)About

Mars Polar Lander

(failed 1999 Mars lander mission)

Mars Polar Lander (MPL) was a NASA spacecraft launched in 1999 intended to land on Mars, which failed to communicate after landing. Instruments:

Also, Deep Space 2 A and B, two identical probes that were released to impact the surface, to measure descent, impact, soil conductivity, and detect any water.

Further reading: