Across
- 2. Opportunity explores these
- 3. Minerals that form in neutral water
- 5. Synonym for "friendly" or "welcoming"
- 6. Mineral that is a sign of flowing water
- 9. Kinds of missions the info will help
- 10. Word for ribbon-like deposits in rock
Down
- 1. Location of best conditions for life
- 4. Name for a multi-year study
- 7. Refers to things on Mars
- 8. Tau is a measure of this
- 9. Opportunity has found life on Mars
