Touchdown of the Hayabusa Spacecraft at the Muses Sea on Itokawa

Details Touchdown of the Hayabusa Spacecraft at the Muses Sea on Itokawa Touchdown of the Hayabusa Spacecraft at the Muses Sea on Itokawa

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sci...312.1350y&link_type=abstract

Science, Volume 312, Issue 5778, pp. 1350-1353 (2006).

Mathematics

Logic

53

Scientific paper

After global observations of asteroid 25143 Itokawa by the Hayabusa spacecraft, we selected the smooth terrain of the Muses Sea for two touchdowns carried out on 19 and 25 November 2005 UTC for the first asteroid sample collection with an impact sampling mechanism. Here, we report initial findings about geological features, surface condition, regolith grain size, compositional variation, and constraints on the physical properties of this site by using both scientific and housekeeping data during the descent sequence of the first touchdown. Close-up images revealed the first touchdown site as a regolith field densely filled with size-sorted, millimeter- to centimeter-sized grains.

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