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by Geoff Gaherty
Thu Dec 13, 2007 3:45 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Mars Rover Races to Survive (APOD 12 Dec 2007)
Replies: 10
Views: 3431

I'm puzzled by the statement in the caption: "Earth scientists hope that Spirit can reach a slope on the northern edge of the unusual feature dubbed Home Plate, before the end of this month when northern winter will be phasing in on Mars." Vernal equinox was on December 10 (Ls = 0°), so sp...