What specific geological finding suggested Spirit's area was altered by hot water?
Answer
Opaline silica.
The finding of opaline silica in Gusev Crater indicated that the soil and rocks in Spirit's area were altered by hot water, possibly from ancient hot springs.
#Videos
Spirit and Opportunity - YouTube
Related Questions
What was the primary quest for the Spirit and Opportunity rovers?What was the originally designed nominal mission lifespan for each MER rover in Martian days?What discovery at Meridiani Planum provided strong evidence for past liquid water?What specific geological finding suggested Spirit's area was altered by hot water?Approximately how long did the Opportunity rover continue operating past its initial design goal?What system allowed the rovers to navigate surprisingly rough terrain effectively?What caused the Spirit rover to eventually lose contact after driving over four miles?What was the approximate total distance Opportunity drove during its operational lifetime?What was the primary purpose of the Alpha Particle X-ray Spectrometer (APXS)?What fundamental change did the success of the MER program mandate for subsequent Mars missions?