restore-lmission
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NASA is making a robotic spacecraft that can refuel satellites
NASA has not only given the Restore-L mission its seal of approval, it has also zeroed in on its first potential client: government-owned satellite Landsat 7. The mission's goal is to develop and launch a robotic spacecraft, which can refuel and do maintenance work on satellites already in orbit, by 2020. As you can see in the image above, it will be equipped with robotic arms to catch its client's orbiters and a propellant transfer system to deliver measured quantities of fuel at the proper temperature and pressure.
