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Disappearing act (Phoenix sol 24)

Disappearing act (Phoenix sol 24)

NASA / JPL / UA / Texas A & M / animation by Emily Lakdawalla

Disappearing act (Phoenix sol 24)
Flipping back and forth between two color images captured on sols 20 and 24 of the Phoenix mission shows that some clods of bright material that were visible in the shadowed part of the trench on sol 20 were no longer there on sol 24. This is extremely strong evidence that the clods were, in fact, water ice, which sublimated into gas in the intervening sols.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Emily Lakdawalla

Original image data dated on or about June 19, 2008

Explore related images: pretty pictures, amateur image processing, Phoenix, Mars, hydrology, animation

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