Which Happened First?

Mars Polar Lander

Mars Polar Lander
Image: NASA/JPL/Corby Waste · Public domain · source

The Mars Polar Lander, also known as the Mars Surveyor '98 Lander, was a 290-kilogram uncrewed spacecraft lander launched by NASA on January 3, 1999, to study the soil and climate of Planum Australe, a region near the south pole on Mars. It formed part of the Mars Surveyor '98 mission.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

Timeline

  1. Cassini−HuygensOctober 15, 1997
  2. Mars Polar Lander (this page)January 3, 1999
  3. Gravity Recovery and Climate ExperimentMarch 17, 2002
  4. THEMISFebruary 17, 2007
  5. Gravity Recovery and Interior LaboratorySeptember 10, 2011
  6. Van Allen ProbesAugust 30, 2012

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Mars Polar Lander (January 3, 1999) · Which Happened First?