I’ve seen articles about underground water being detected in planets like Mars. I’m assuming it’s detected via satellite (microwaves?), but how does the technology work?
And are we using the satellite that’s orbiting around earth and projecting the (microwaves?) there, or do we send a few satellites specifically to Mars to do these investigations?
In: Technology
On Mars, the Mars Reconnaissance Orbiter (MRO) provides the best evidence yet that liquid water flows intermittently on present-day Mars. MRO uses an imaging spectrometer examine the chemical content of surface rocks. When those rocks are hydrates, then water interacted with them in the past. Following the water down hill can lead to places cold enough that the water would be ice.
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