Good article Bossman, thank you.

One of the objectives of the radar mapping will be to better resolve the differences in the gravitational anomalies found in prior surveys. At an altitude of only 150km, the resolution will be much greater than existing maps.

Since the MRO will also be counting molecules, it should be easier to discriminate between drag and gravitational anomalies.

I am of the opinion this will reveal a surprisingly thin upper atmosphere, and even more surprisingly, greater anomalies than mapped at 300 km.

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jwj

If you always believe what you already know, you can't learn anything - Liz