No word from stuck NASA Mars rover Spirit
January 2, 2011 By ALICIA CHANG , AP Science Writer
Artist's concept of a NASA Mars Exploration Rover. Image credit: NASA/JPL/Cornell University
The odometer on the Mars rover Spirit has been stuck at 4.8 miles for more than 1 1/2 years and has been incommunicado since March.
This double dose of bad luck hangs over the scrappy spacecraft, which marks its seventh year on Mars on Monday.
NASA doesn't know if the Spirit is dead or alive, but it's diligently listening for any peep as the rover remains mired in a sand trap.
"There's a realistic possibility that Spirit may never wake up again," said Dave Lavery, Mars rovers program executive at NASA headquarters.
A pair of Mars orbiters has been making daily overhead passes listening for a signal from Spirit, which became stuck in April 2009 while driving backward. After several attempts to free it were unsuccessful, Spirit got new instructions to conduct science observations while mired in the sand.
It suddenly stopped talking with Earth last March and is presumed to be in hibernation to conserve power. During this deep sleep, communications and other activities are suspended so that energy can go to heating and battery recharging.
Spirit is designed to try to wake up when its battery gets enough charge. Scientists are disappointed with its silence, but are holding out hope it will spring back to life.
"I'm not ready to say goodbye yet," said mission chief scientist Steve Squyres of Cornell University. "That moment will come someday, but now is not the time."
With each passing day on Mars, the sun gets higher in the sky, increasing the amount of sunlight reaching Spirit's solar panels. The sun will be at its highest point in mid-March. After that, the chances of hearing from Spirit dwindle.
If Spirit doesn't radio back by March, it's "probably not going to," Lavery said.
Lavery said the mission will continue to listen after March, but will scale back the daily passes.
Originally designed to roam around opposite ends of Mars for three months, Spirit and its twin, Opportunity, have lived long past their warranty. Spirit landed on the red planet on Jan. 3, 2004, followed by Opportunity three weeks later. Both have uncovered geologic evidence of ancient water on the planet.
Opportunity so far has logged 16.4 miles and shows no signs of stopping. It recently drove to a 300-foot-diameter crater where it will spend several months exploring before moving on to its eventual destination, Endeavour crater.
Meanwhile, scientists can only reminiscence about Spirit's past hijinks.
"If that adventure is truly over, it will be a shame, but it will also have been a rover's life well-lived," said astronomer Jim Bell of Arizona State University.
More information: Mars rovers site: http://marsrovers.jpl.nasa.gov/home
©2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
-
From lemons to lemonade: Reaction uses carbon dioxide to make carbon-based semiconductor,
29 comments
-
Thioridazine kills cancer stem cells in human while avoiding toxic side-effects of conventional cancer treatments,
3 comments
-
SpaceX private rocket blasts off for space station (Update),
42 comments
-
Climate scientists say they have solved riddle of rising sea,
30 comments
-
Scotland passes turbine test to harness tidal power,
41 comments
-
revamping general concept and cosmological principle
May 25, 2012
-
Transiting Exoplanet Light Curve
May 25, 2012
-
Math behind Theoretical Physics
May 24, 2012
-
Do we know whats at the center of galaxies yet?
May 23, 2012
-
Structure of the Milky Way?
May 20, 2012
-
What would it take to terraform Pluto and Charon?
May 19, 2012
- More from Physics Forums - General Astronomy
More news stories
SpaceX capsule has 'new car' smell, astronauts say (Update)
SpaceX's Dragon cargo vessel smells like a new car, said astronauts at the International Space Station after opening the hatches Saturday following the spacecraft's landmark mission to the orbiting lab.
Space & Earth / Space Exploration
10 hours ago |
4.5 / 5 (12) |
0
Australia hails surprise super-telescope decision
Australia has hailed a surprise decision giving it a role in a radio telescope project aimed at revolutionising astronomy, vowing to draw on its decades of experience in space science.
10 hours ago |
5 / 5 (2) |
0
Astronomers seize last chance in lifetime for Venus Transit
Astronomers are gearing for one the rarest events in the Solar System: an alignment of Earth, Venus and the Sun that will not be seen for another 105 years.
10 hours ago |
5 / 5 (1) |
0
Astronauts enter world's 1st private supply ship
(AP) -- Space station astronauts floated into the Dragon on Saturday, a day after its heralded arrival as the world's first commercial supply ship.
Space & Earth / Space Exploration
10 hours ago |
5 / 5 (5) |
0
Dragon arrives at space station in historic 1st (Update 2)
The privately bankrolled Dragon capsule made a historic arrival at the International Space Station on Friday, triumphantly captured by astronauts wielding a giant robot arm.
Space & Earth / Space Exploration
May 25, 2012 |
5 / 5 (10) |
19
Dell tablet leak: 10.1-inch display, two-battery choice
(Phys.org) -- Headline after headline talks about vendors tablets in the wings as likely number-one contenders for the iPad. Such claims have justifiably been taken with a grain of salt, considering ...
Scientist: Evolution debate will soon be history
(AP) -- Richard Leakey predicts skepticism over evolution will soon be history. Not that the avowed atheist has any doubts himself.
Keep food safety in mind this memorial day weekend
(HealthDay) -- Picnics, parades and cookouts are as much a part of Memorial Day weekend as tributes to the United States' war veterans.
SpotterRF debuts Radar Backpack Kit (w/ Video)
(Phys.org) -- SpotterRF has announced a special radar backpack kit designed to enhance situational awareness for soldiers on the ground. The company says its special radar is designed for warfighters as part ...
Thousands of shellfish found dead in Peru
Thousands of crustaceans were found dead off the coast of Lima following the mystery mass death of dolphins and pelicans, the Peruvian Navy said Friday.
Family history of Alzheimer's affects functional connectivity
(HealthDay) -- Cognitively normal individuals with a family history of late-onset Alzheimer's disease (AD) may display lower resting state functional connectivity in the default mode network (DMN) of the brain, ...
Jan 02, 2011
Rank: 5 / 5 (3)
Jan 02, 2011
Rank: 4 / 5 (2)
Jan 02, 2011
Rank: 5 / 5 (8)
We still live in an age in which the science return for the money is much, much better with robots than manned missions. For the trillions of dollars to send 2 people to Mars and back, you could send fleets of robots to drive all over the planet. A manned mission would be limited to a small region. Also, when sending robots, we are sending extensions of ourselves. Our egos are wrapped up in the robots, their eyes are our eyes, their x-ray sensors our own, their "RAT" rock grinders our own, etc. Outer space is extremely hostile to human life, too expensive to provide care in space for the human organism. Keep our bodies home for now, send up our machines built with our own hands. The robots are extensions of ourselves and they can do great science. The next rover will be faster, and you won't have to worry about finding a place for it to take a dump every day in the deadly thin and freezing cold air of Mars.
Jan 02, 2011
Rank: 5 / 5 (2)
Jan 02, 2011
Rank: 3.2 / 5 (5)
If you are seriously looking for water or "life signs" it's certainly a reasonable prospect to go to the canyons. However, for a manned mission, this would mean landing on the flat plateau above, since landing at the bottom of a canyon would be too risky. Then your astronaughts must scale down a cliff with a 6 mile drop, while carrying several hundred pounds of gear and space suits,...after having been in near-zero gravity for 6 months for the space flight. This would be analogous to an Muscular Dystrophy patient climbing Everest with another person strapped to their backs.
More likely, when they got to Mars, they'd need to train themselves for several months to re-tone their muscles before they could even attempt such a thing as hiking or scaling a mountain or canyone wall.
Olympus Mons is 17 miles high...cont...
Jan 02, 2011
Rank: 2.3 / 5 (3)
Then this brings us to the next problem: One manned mission wouldn't be enough to check more than one key location. Trying to cross from one part of the planet to another would be like hiking across the U.S. continent. Not gonna happen. But they would need to check at least one Pole, and then after that all the other interesting features are near the equator. So you need at least two or three landing details to complete even a basic geologic survey with ice cores and rock cores anyway.
Jan 02, 2011
Rank: 4 / 5 (5)
Jan 02, 2011
Rank: 4.7 / 5 (3)
Jan 02, 2011
Rank: 3.3 / 5 (4)
Thank He Who Shall Not Be Named, you're not Emperor.
Jan 02, 2011
Rank: 2.7 / 5 (3)
Jan 02, 2011
Rank: 3 / 5 (2)
Do you mean telepresence? If so, then I don't agree due to the communications lag (3 - 20 mins one way). The current trend is the right one where robots are becoming increasingly self sufficient and do the navigating themselves. Better AI and vision systems coupled with say, legged walkers (see BigDog by Boston Dynamics) and powered by nuclear energy is the way to go.
Jan 02, 2011
Rank: 4.3 / 5 (4)
It probably would. Just going back to the Moon will cost over $100 billion and going to Mars is at least an order of magnitude more difficult. Not to mention radiation exposure in transit.
What missions have been flown with this tech? None. And to get it to manned rated status is even more complicated, coupled to the fact you'd still need chemical propulsion to get off the Earth. In short, ain't gonna happen anytime soon.
Relatively, but you still need artificial structures, food, water, etc.
So they would need to bring excavation machinery and construction materials too? It won't happen in our lifetimes, or the next gen's.
Jan 03, 2011
Rank: 4 / 5 (2)
A half dozen Saturn-V launches would have probably done the trick if we had built them when we had the manufacturing system set up.
Jan 03, 2011
Rank: 3 / 5 (3)
Jan 03, 2011
Rank: 5 / 5 (4)
Actually, that would be the best thing that could happen, as happened some 50-odd years ago with the Ruskis. It would be one helluva incentive to reorganize one's priorities in space.
Jan 03, 2011
Rank: 2 / 5 (3)
Jan 03, 2011
Rank: 2 / 5 (3)
Jan 03, 2011
Rank: 1 / 5 (3)
Jan 03, 2011
Rank: not rated yet
Thank u at least this guy has some sence rating of 5 i gave him
Jan 03, 2011
Rank: not rated yet
As astronaut "Buzz" Aldrin once
in an interviev put it:sooner or later something is gonna hit this planet and we've got
no alternative plan...
Jan 03, 2011
Rank: 5 / 5 (3)
Jan 03, 2011
Rank: 5 / 5 (2)
No, diego, I fully understand what you are saying. You seem like an optimist, which is great, but the real world doesn't work the way one would wish. Who would have thought we'd still be stuck in LEO 40 years after going to the Moon? And even that wouldn't have happened if not for the cold war and political incentive.
In lieu of such single minded, open checkbook funding, things tend to happen at a much more leisurely pace. The things you have talked about aren't impossible, it's just that the motivation and funding to do them (quickly) simply isn't there now nor will it be there in the foreseeable future.
The only thing which might kick-start these developments is either serious competition from the Chinese or, more likely, private enterprise (Virgin Galactic, say) taking baby (but profitable) steps, thus encouraging competition from the private sector.
Jan 03, 2011
Rank: 2 / 5 (1)
Jan 03, 2011
Rank: 5 / 5 (2)
Agreed, had to be done.
In fact, the final shuttle design was a deeply flawed compromise compared to the original designs. The final version was made to be less costly to build, less technically ambitious and not fully reusable. Its chief coolness factor was the fact that it looked like a space plane rather then a traditional capsule and that it had a novel (but problematic) new heat shield system. It was a failure when measured against its stated goals to drastically cut the cost of access to space and quick (weekly) turnaround times. It was successful as an iconic symbol and for delivering a great observatory into LEO.
Jan 05, 2011
Rank: 1 / 5 (3)
Jan 09, 2011
Rank: 5 / 5 (1)
Until you've cured MS and find an asteroid flying toward Earth and can't do anything to circumvent total annihilation of not only Humans, but every living plant and animal. Space missions of all varieties prepare us technologically for the future. Just launching satellites won't prepare us for the myriad of challenges we may encounter.
Jan 09, 2011
Rank: 3 / 5 (2)