Głosy w dyskusji nad wyborem miejsc do lądowania.The search for water: picking landing sites for NASA’s Mars roversby Henry Bortman Monday, April 7, 2003
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Meridiani Planum: hematite, water, and lifeOn contemporary maps of Mars, Meridiani Planum is in dead center. What makes it an exciting spot is that it is the site of a vast deposit of gray hematite. Hematite is iron oxide. It comes in two forms: red and gray. The red kind you’re probably familiar with. It’s rust, and it’s everywhere on Mars. It forms readily whenever iron is exposed to air. It gives the planet its red color.
Gray hematite has a dark gray metallic luster. You’ve probably seen it in curio shops and jewelry stores. Unlike red hematite, gray hematite usually forms over long periods of time, in the presence of liquid water, often standing bodies of liquid water.
Gray hematite has been found on Mars in only three places, Meridiani Planum being one of them. The other two locations, Aram Chaos and Valles Marineris, although even more interesting than Meridiani Planum in some respects, are too hazardous for a MER spacecraft to land in. (...)
https://www.thespacereview.com/article/14/2EDIT: 03.01.23
https://twitter.com/airandspace/status/1610301592137351170https://mars.nasa.gov/mer/multimedia/interactive/