Beschreibung : NASA announced that dice-sized clumps of bright material in the "Dodo-Goldilocks" trench dug by the robotic arm had vaporized over the course of four days, strongly implying that they were composed of water ice which sublimated following exposure. While dry ice also sublimates, under the conditions present it would do so at a rate much faster than observed. Lollini Cover.
Pasadena post stamp.

USA 2812 A - picture enhanced ?

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PHOENIX (MARS LANDER) · DELTA 7925 · SPACE EXPLORATION ON MARS