One of the landers contained a small reactor designed to encourage the growth of micro-organisms.
But the landers found no other signs of biological activity, nor any organic compounds.
Of the two, Landers seems to like the fundamentals behind Vale more than he does Petrobras.
FORBES: Brazil's Most Actives Not Overweight for BlackRock LatAm Fund
The landers, which were the responsibility of Langley, were developed by a company called Martin Marietta.
Mr Landers never had any doubt about who was to blame for his condition.
ECONOMIST: Alan Landers, ex-smoker, died on February 27th, aged 68
It could be him, they thought, comparing it to the photo of Landers as a boy.
Both landers had mechanical arms, to gather soil samples, and built-in labs to check for biological activity.
But legged landers tend to be tippy, and the rover still has to get down to the ground.
It was Esther who first became a columnist, taking over the Chicago Sun-Times's Ann Landers column in 1955.
WSJ: 'Dear Abby' Advice Columnist Pauline Friedman Phillips Dies at 94
Previous missions, notably the Viking landers in the 1970s, have hinted at the presence of organics on Mars.
According to a news release on the state police website, a detective was given Landers' Social Security card.
The loss ended Georgia coach Andy Landers' hope of reaching the Final Four for the first time since 1999.
SPOKANE, Wash. (AP) Andy Landers looked down at the stat sheet on the table in front of him.
"The sequence of landers was strategically planned to have ever-increasing capability to go forward and do more, " he said.
Future landers might investigate the spots for signs of a Martian fossil record.
For decades, Phillips' column competed with the Ann Landers advice column written by her twin sister Esther Friedman Lederer.
BBC: 'Dear Abby' author Pauline Friedman Phillips dies at 94
On the contrary, he, Renee Landers and James Rebitzer have done pioneering work on seemingly irrational norms in organisations.
Other teams, such as Scotland's Oceanlab, have also been dropping simple landers loaded with bait and cameras into the deepest ocean.
She also helped her sister Eppie Lederer, aka Ann Landers, get her column with the Chicago Tribune off the ground.
Landers, a bottom-up fundamental manager, says that the company still needs to spend billions to develop its offshore deepwater oil reserves.
FORBES: Brazil's Most Actives Not Overweight for BlackRock LatAm Fund
Landers is neutral weight on the stock, even though Vale remains the No. 1 position for the fund, accounting for 11.2%.
FORBES: Brazil's Most Actives Not Overweight for BlackRock LatAm Fund
"If Ann Landers was a drunk and flagellant pirate, " that's what you'd have, said Summers, who still lives in Albany, Oregon.
If all landers make it to the surface of Mars, they will represent three more flags on a largely unexplored map.
In 1976, I recall looking at the sites where the only other two powered landers Nasa has sent to Mars touched down.
The Viking landers took over 7, 000 images of the surface of Mars.
After the Viking landers failed to find life on Mars in 1976, the scientific consensus was one of skepticism that bordered on ridicule.
In America's not always pithy newspapers, Ann Landers was often among the first items turned to, along with the horoscopes and the cartoons.
ECONOMIST: Esther Lederer, agony aunt, died on June 22nd, aged 83
Northrop Grumman built the very first manned lunar landers back in the 1960s (when the company was called Grumman) for NASA's Apollo program.
Probes, landers and other vehicles of this kind continue to prove their worth, sending spectacular images and vast amounts of data back to Earth.
CNN: Bush: 'It is time for America to take the next steps' in space
应用推荐