Ancient Mars: Cosmogenic Dating Methods Allow Estimates of Erosion Rates on Mars

The NASA rover Curiosity has been making its way across the floor of Gale crater on Mars since 2012.  It has closely examined a wide range of rock types which reveal that this location on Mars has experienced a long history of variable climates.  From water-infused bedrock, water-deposited conglomerates, wind-formed fossilized dunes to active sand […]

Can You Spot the Difference? The Slowly Changing Surface of Mars

How different is the surface of Mars today compared to one thousand, a hundred thousand or a million years ago?   The photo below was snapped by the Curiosity Rover which has spent several years trekking across an ancient lake-bed inside a large crater on Mars.  It is a barren, forbidding but strangely familiar and beautiful […]

Cosmogenic Dating Methods Allow Estimates of Erosion Rates on Mars

Just how fast are some rocks on Mars eroding?  A few months ago I asked a Martian rock that question (see: My Interview with a Martian: A Story of Origins) and I was not given a very satisfying answer.  Well, that rock can be excused for being a bit confused about time given how boring […]