This paper summarizes Spirit Rover operations in the Columbia Hills, Gusev crater, from sol
1410 (start of the third winter campaign) to sol 2169 (when extrication attempts from Troy …

This study surveys the evolution of martian impact crater paleolakes through time by
establishing their age, comparing their locations, and describing the formation of lacustrine …

… Individual plains ripples are oriented about 26 east of north but commonly are grouped en
echelon into alignments along a secondary orientation of about 4 east of north, preserving …

The Mars Exploration Rover Spirit and its Athena science payload have been used to investigate
a landing site in Gusev crater. Gusev is hypothesized to be the site of a former lake, but …

… to be made (Grin and Cabrol 1997a). The sedimentary features (… Gale craters (Grin and Cabrol
1997a, Cabrol et al. 1998b). … observed are located between 47.5 ◦ N and 64.7 ◦ S latitudes …

A novel, unobtrusive and wearable, multiparameter ambulatory physiologic monitoring system
for space and terrestrial applications, termed LifeGuard, is presented. The core element is …

Using a validated general circulation model, we determine where and for how long the
surface pressure and surface temperature on Mars meet the minimum requirements for the …

… where N is the number of civilizations in the Milky Way whose electromagnetic emissions …
; f p is the fraction of those stars with planetary systems; n e is the number of planets, per solar …

Rocks on the floor of Gusev crater are basalts of uniform composition and mineralogy.
Olivine, the only mineral to have been identified or inferred from data by all instruments on the …

Gusev crater was selected as the landing site for the Spirit rover because of the possibility
that it once held a lake. Thus one of the rover's tasks was to search for evidence of lake …