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Thick Dust Alters NASA Mars Rover Plans

coondoggie writes "NASA's long-running Mars rover Opportunity is getting ready for the harsh Martian winter, but this year for the first time in its nearly eight-year history it needs a sunnier location to continue its work. NASA said the rover, which depends on solar power for energy, is sitting just south of Mars' equator and has worked through four Martian southern hemisphere winters. Being closer to the equator than its now defunct twin rover, Spirit, Opportunity has not needed to stay on a Sun-facing slope during previous winters but now its solar panels carry a thicker coating of Martian dust than before."

10 of 97 comments (clear)

  1. Re:Windshield wipers by Caerdwyn · · Score: 5, Funny

    Then the windshield wipers should work really well.

    --
    Everybody gets what the majority deserves.
  2. ugg splogs by Anonymous Coward · · Score: 5, Insightful

    why are we reading stories about Nasa on some shitty "network" splog laden with adverts ?

    we should be reading about this on Nasa's site the internet was supposed to cut out the middleman instead its full of shitty sites who do nothing but take without giving anything back.

    news for nerds ? news for desperate blog owners

  3. Re:Windshield wipers by Chibi+Merrow · · Score: 5, Informative

    They thought of all these solutions, and in the end it just made more sense to make the solar panels larger than do anything complicated.

    Don't forget these rovers were designed for a 90 day mission.

    --
    Maxim: People cannot follow directions.
    Increases in truth directly with the length of time spent explaining them
  4. Dust Devils by PIPBoy3000 · · Score: 5, Informative

    It's my understanding that dust devils have done a pretty good job of keeping the solar panels clean over the years.

  5. Re:Windshield wipers by KendyForTheState · · Score: 5, Funny

    Whoa! Nuclear powered windshield wipers! How cool is that?

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    ...I just came for the free beer.
  6. Re:Windshield wipers by decep · · Score: 5, Funny

    One wonders why they did not just use the nuclear power for the rest of the rover.

  7. Re:Windshield wipers by Kjella · · Score: 5, Insightful

    Many options were considered, none found effective and reliable against the fine, dry dust on Mars. In fact that was the whole reason the original mission was limited to three months, if they knew a good way to remove it they would have. Luckily winds clear the panels from time to time, the weather hasn't helped recently but it's still running after 8 years and tilting towards the sun is no big deal. Why would you bother to change a design that works so well? Maybe give it a slightly bigger solar panel so it has a bit better margins but overall there's no reason to change it. By the way, how many times do you think this exact suggestion has come up over the last 8 years?

    --
    Live today, because you never know what tomorrow brings
  8. Re:Windshield wipers by Anonymous Coward · · Score: 5, Funny

    Martians are green, you insensitive clod!

  9. Re:If only it could take a bath by Tablizer · · Score: 5, Funny

    Like a "meteor shower"? Ouch!

  10. Better Late-Breaking News Than Never! by Tackhead · · Score: 5, Funny
    K'Breel, Speaker for the Council, was on his way from a late (as opposed to late-breaking) Council Meeting to his domicile, where he intended to consume nutrients. While exiting the Council Hall, an enthusiastic Citizen beseeched him thus:

    Our gelsacs hunger for the words of the mighty K'Breel on the battle against the invaders from the blue world.

    Always willing to place the needs of his Citizens before his own, the Speaker replied: "What more needs be said? One invader lies immobile and frozen in the plains. A second lies buried in a slowly-accumulating layer of carbox at the northern pole, a third never left the blue world's gravity well and spirals ever inward to a fiery doom (our analysts suggest a 75% probability of any surviving parts being condemned to dissolve in the toxic blue soup!), and although a fourth may have recently escaped the blue world's gravity well, it is destined to spend the next season squarely in the crosshairs of our Orbital Defense Forces, and yet you still require a progress report against this - this last struggling holdout?"

    "Let me reassure you personally, dear Citizen: as surely as dust continues to be distributed over the invader's solar panels, the Council sees no crisis, and barely an Opportunity. But even the dimmest of opportunities is worth seizing!"

    ~``~ideo~`ransmission fr`m news ~eport~~`~`hecksum mismatc~~``~~``

    Having delayed a hungry Speaker from his return home after a Council meeting, it is reported that the equally hungry gelsacs of enthusiastic citizen #64226 were seized, freeze-dried, ground into powder, and then tossed into the winds as part of the DDoS (Distributed Dusting of Solarpanels) attack still being conducted by our brave forces against the remaining invader at Devaur's End.

    "A shining example to all who live on our fair world, this enthusiastic Citizen took advantage of a rare Opportunity to take the battle directly to the enemy, and he shall be remembered fondly! EVER ONWARD TO VICTORY!" (Oh, and thank you for the excuse, Citizen. Don't worry too much. Sometimes they grow back!)