NASA’s Next Big Project: Outpost Near Moon

Construction of an outpost that would send astronauts farther from Earth than they’ve ever been has been picked by top NASA officials as a leading candidate for the agency’s next major mission. The “gateway spacecraft” would hover in orbit on the far side of the moon, support a small crew and function as a staging area for future missions to the moon and Mars.

The outpost would be far more remote than the current space station, which orbits a little more than 200 miles above Earth. The distance raises complex questions of how to protect astronauts from the radiation of deep space — and rescue them if something goes wrong.

NASA Administrator Charles Bolden briefed the White House earlier this month on details of the proposal, but it was unclear whether it had the administration’s support. Of critical importance is the cost, which would probably be billions, if not tens of billions, of dollars.

Documents obtained by The Orlando Sentinel show that NASA wants to build a small outpost — likely with parts left over from the $100-billion International Space Station — at what’s known as the Earth-Moon Lagrange Point 2, a spot about 38,000 miles from the moon.

At that location, the combined gravities of the Earth and moon reach equilibrium, making it possible to “stick” an outpost there with minimal power required to keep it in place.

To get there, NASA would use the massive rocket and space capsule that it is developing as a successor to the retired space shuttle. A first flight of that rocket is planned for 2017, and construction of the outpost would begin two years later, according to NASA planning documents.

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Source: http://newyork.newsday.com

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