That bombshell was delivered after the joint mission study groups had already completed four years of feasibility work.
The Mars Inspiration team says that it has carried out a feasibility study for the mission which it plans to release on Sunday.
Phoenix spent its first full day in the Martian arctic plains checking its instruments in preparation for an ambitious digging mission to study whether the site could have once been habitable.
The European mission will instead study the influence of dark energy by looking for subtle distortions in the way galaxies appear as they line up on the sky, and by measuring the patterns in the three dimensional distribution of galaxies through time.
It could be said that Sir Ernst has spent his life moving between the two: he made it a mission to put the study of art on a scientific footing.
Critics guffawed, but Barr says the study helped the organization focus on the mission of discovering new talent and promoting it to a broader circle of readers.
Data provided over just the last few years by the Grace satellite mission - used in this study - is giving researchers a closer view of regional variations across the territory.
Nasa has also identified 2014 as a possible launch date for the first human mission to Mars in a 1997 study.
There will also, according to Charlie Bolden, NASA's administrator, be a mission to the sun, to study the solar wind, and one to improve the agency's ability to detect and catalogue interesting (but potentially dangerous) asteroids that pass near Earth.
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In one case study, the report found that in one zip code in the Mission, 52% of Airbnb guests visited the Mission, while just 17% of hotel guests visited the same area.
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This study evaluates the benefits and costs to the United States of such a Golan mission for the U.S. armed forces.
The centerpiece of the Mars Science Laboratory mission, the Curiosity rover comes packed with a slew of instruments to study not only today's Martian surface, but also the surface of the past.
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"To have women serving in infantry ... could impair the mission essential task of those units, and that's been proven in study after study, " he told radio host Laura Ingraham earlier this month.
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Science from the extended mission could lay the groundwork for possible new robotic missions to Titan or Enceladus, which are under study by Nasa and the European Space Agency (Esa).
This, he said, would add to data currently being collected by another Canadian mission, called MOST, which is using a 15cm (6in) telescope aboard a satellite to study the sky.
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