NASA mulls plan to drag asteroid into moon’s orbit
Who says NASA has lost interest in the moon? Along with rumours of a hovering lunar base, there are reports that the agency is considering a proposal to capture an asteroid and drag it into the moon’s orbit.
Researchers with the Keck Institute for Space Studies in California have confirmed that NASA is mulling over their plan to build a robotic spacecraft to grab a small asteroid and place it in high lunar orbit. The mission would cost about $2.6 billion – slightly more than NASA’s Curiosity Mars rover – and could be completed by the 2020s.
For now, NASA’s only official plans for human spaceflight involve sending a crewed capsule, called Orion, around the moon. The Obama administration has said it also wants to send astronauts to a near-Earth asteroid. One proposed target, chosen because of its scientific value and favourable launch windows for a rendezvous, is a space rock called 1999 AO10. The mission would take about half a year, exposing astronauts to long-term radiation beyond Earth’s protective magnetic field and taking them beyond the reach of any possible rescue.
Robotically bringing an asteroid to the moon instead would be a more attractive first step, the Keck researchers conclude, because an object orbiting the moon would be in easier reach of robotic probes and maybe even humans.
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