Rocknest (Mars) Rocknest (Mars) Rocknest is a sand patch on the surface of Aeolis Palus, between Peace Vallis and Aeolis Mons ("Mount Sharp"), in Gale crater on the planet Mars. The patch was encountered by the Curiosity rover on the way from Bradbury Landing to Glenelg Intrigue on September 28, 2012. The "approximate" site coordinates are: . The sand patch is downhill from a cluster of dark rocks. NASA determined the patch to be the location for the first use of the scoop on the arm of the Mars "Curiosity rover". The ""Rocknest"" patch is about by . On October 7, 2012,
Mars sample-return mission an orbiter, a fetch rover, and a Mars ascent vehicle (MAV). In mid-2006, the international Mars Architecture for the Return of Samples (iMARS) Working Group was chartered by the International Mars Exploration Working Group (IMEWG) to outline the scientific and engineering requirements of an internationally sponsored and executed Mars sample-return mission in the 2018–2023 time frame. In October 2009, NASA and ESA established the Mars Exploration Joint Initiative to proceed with the ExoMars mission, whose ultimate aim is "the return of samples from Mars in the 2020s". A first step in this was one particular proposal, a joint project between