There appears to be support within NASA to position astronauts at an Earth-moon libration point to bolster the space agency's plans of pushing beyond low-Earth orbit with its Orion spacecraft design. <\/p>\n
Anchoring hardware and a crew at the Earth-moon L2 \"gateway\" would offer many benefits, advocates say. One of them is building on multinational cooperation honed at the International Space Station (ISS). <\/p>\n
Under review is use of Russian-supplied hardware at the L2 point, according to insiders contacted by SPACE.com. Surplus space shuttle gear and ISS-flight-ready spares are also in the mix. <\/p>\n
Regarding the use of Russian space hardware, both the Multipurpose Laboratory Module and the Scientific-Power Module are new modules being developed in Russia. Both will add new capabilities to the ISS. A proposal on the table seeks to use a similar Russian-provided Scientific-Power Module in cislunar space as a base of operations for exploration missions. [Gallery: Visions of Deep-Space Station Missions] <\/p>\n
NASA space planners have been sketching out an exploration strategy that would make use of the Lagrange points. For one, by exploring and working beyond the Earth's radiation belts, more can be learned about space radiation protection. Additionally, the Lagrange points provide unique perspectives of the moon, sun and Earth. Sojourns to the Earth-moon L2 would take humans farther than they have ever been from Earth. <\/p>\n
Done deal? <\/p>\n
A recent Orlando Sentinel newspaper story kick-started the perception that NASA officials have picked a leading candidate for the agency's next major mission: creation of a \"gateway spacecraft\" parked at the Earth-moon libration point 2, also known as EML-2. <\/p>\n
Indeed, NASA has spotlighted the fact that, as crewed missions extend farther from Earth and for longer periods of time, they will require new capabilities to enable safe and sustainable habitation and exploration. <\/p>\n
As reported by SPACE.com earlier this year, a Feb. 3 memo from William Gerstenmaier, NASA's associate administrator for human exploration and operations, noted that a team would be formed to develop a cohesive plan for exploring the EML-2 spot in space. <\/p>\n
Libration points, also known as Lagrangian points, are places in space where the combined gravitational pull of two large masses roughly balance each other out, allowing spacecraft to essentially \"park\" there. <\/p>\n<\/p>\n
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