From Cambridge Bay to the "parking lot" |
From Cambridge Bay to the "parking lot" |
Aug 31 2010, 08:19 PM
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#1
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Senior Member Group: Moderator Posts: 4279 Joined: 19-April 05 From: .br at .es Member No.: 253 |
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Sep 9 2010, 06:42 PM
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#2
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Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
A space dot com article marking the halfway point to Endeavour had a couple of interesting points:
QUOTE NASA scientists are keen for the rover to reach Endeavour. Last year, the agency's Mars Reconnaissance Orbiter spacecraft detected clay deposits on the crater's rim. Clay-bearing rocks are a strong indication of the past presence of water, which is necessary for life as we know it. "They're a kind of mineralogical marker bed for places with biological potential," Golombek told SPACE.com. "So that's our ultimate goal, to get to them." In fact, NASA's next Mars rover, the car-sized Curiosity, will prioritize looking at clays. The rover is scheduled to launch in November 2011 and land on Mars in August 2012. All of its potential landing sites sport clays similar to those found on Endeavour's rim, Golombek said. This brings back the topography issue -- assuming there were large bodies of water, would the elevation at the rim of Endeavour be a 'sea level' towards which Oppy is gradually descending? The article then raises a troubling point that seems incorrect: QUOTE "On a really good day, we can go about 100 meters [330 feet]," Golombek said. "A short day is maybe half of that." Still, there's no reason to think Opportunity won't make it, he said. The rover is in pretty good shape, besides a broken right front wheel that doesn't turn. For that reason, engineers are driving it backward, but that shouldn't pose a problem. I thought it just had a voltage spike in Victoria? |
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Sep 9 2010, 07:00 PM
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#3
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Member Group: Members Posts: 562 Joined: 29-March 05 Member No.: 221 |
The wheel rotates on its axle just fine, however, it cannot be steered.
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