Rocknest 3 is a rock on the surface of Aeolis Palus, between Peace Vallis and Aeolis Mons (Mount Sharp), in Gale crater on the planet Mars. The approximate site coordinates are: 4°35′S 137°26′E / 4.59°S 137.44°E / -4.59; 137.44.

The rock was encountered at Rocknest by the Curiosity rover on its way from Bradbury Landing to the Point Lake overlook while traveling toward Glenelg Intrigue in October 2012. The rock measures about 10 cm (3.9 in) high and 40 cm (16 in) wide and was a target of the ChemCam and APXS instruments on the Curiosity rover.

• 
  "Rocknest 3" rock - target of the ChemCam and APXS instruments on the Curiosity rover (October 5, 2012 ).
• 
  "Rocknest 3" rock - target of the ChemCam and APXS instruments on the Curiosity rover (October 3, 2012)

See also