New close-up view from Curiosity of a ‘bubble’

Close-up view of one of the odd “bubbles” on the bedrock in Gale crater. Click for larger version. Credit: NASA / JPL-Caltech.

Just a quick follow-up to the previous post about the odd “bubbles” seen by the Curiosity rover on Mars. There is now a nice new Mastcam image (sol 122) showing one of these features close-up. They do look like former bubble-shaped domes on the bedrock which have since mostly eroded, leaving behind little ring-shaped “walls.” There are quite a few in this area, generally about a few centimetres across or so. What caused them? Bubbling mud? Venting gas? Something else? Another “curious” little mystery!

One Thought on “New close-up view from Curiosity of a ‘bubble’

  1. Doug Macduff on July 17, 2013 at 12:35 pm said:

    Maybe a spaceship landed and left that mark when it left?

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