Global help needed for Mars mission

15 Feb 2008, 10:05 am   -   Source: AAP
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Scientists have found more evidence to support the view that life has existed on Mars. (Getty Images)

Scientists have found more evidence to support the view that life has existed on Mars. (Getty Images)

The US must collaborate with other countries to achieve its goal of putting humans on Mars, scientists say.

The United States must collaborate with other countries to achieve its goal of putting humans on Mars or it may fall short of its aims, scientists and former space officials say.

President George W Bush wants the US space agency, NASA, to focus on getting people to the moon and to Mars. NASA officials say a Mars mission is unlikely before the 2030s.

"The requirements the agency put on the human exploration was that the US would build out all of the infrastructure, do all the work, pave the roads, get everything in place and the Europeans or the other internationals might come and do an off-ramp," said Scott Hubbard, former director of NASA Ames Research Centre and of the Mars program.

"We are urging the next administration to revisit that requirement to see if there is some broader international collaboration that will add this capability without putting the entire price tag on the back of the US," said Hubbard, now professor at Stanford University south of San Francisco.

Hubbard and others spoke after a two day conference of about 50 astronauts, public interest advocates, aerospace industry executives and scientists at Stanford University to discuss how best to further the goal of a manned Mars mission.

Their findings backing greater international cooperation followed a call earlier this week by French President Nicolas Sarkozy, who proposed a global program to explore Mars that would unite European states and more established space powers such as the United States and Russia.

Officials say because of Mars' orbit, a manned mission would involve a stay of either just seven to 10 days in a total mission of a year or year and a half, or a three year odyssey with more than a year on the planet.

Scientists at the conference said NASA would need about $US3 billion ($A3.35 billion) more in funding each year to prepare for such a mission.

Its current budget is $US17.6 billion ($A19.65 billion), including $US4 billion ($A4.47 billion) for space shuttles, $US5.4 billion ($A6.03 billion) for space science and $US4 billion ($A4.47 billion) for missions related to returning to the moon by 2020.

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