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Via: BBC
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The robots, known as Spheres (Synchronised Position Hold, Engage, Reorient, Experimental satellites), currently have limited capabilities.

It is hoped the smartphones, powered by Google's Project Tango, will equip the robots with more functionality.

The robots have been described by experts as "incredibly clever".

When Nasa's robots first arrived at the International Space Station in 2006, they were only capable of precise movements using small jets of CO2, which propelled the devices forwards at around an inch per second.

"We wanted to add communication, a camera, increase the processing capability, accelerometers and other sensors," Spheres project manager Chris Provencher told Reuters.
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Via: NASA
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Natural processes are working hard to keep the carbon cycle in balance by absorbing about half of our carbon emissions, limiting the extent of climate change. There's a lot we don't know about these processes, including where they are occurring and how they might change as the climate warms. To understand and prepare for the carbon cycle of the future, we have an urgent need to find out.

This animation shows the Orbiting Carbon Observatory-2, the first NASA spacecraft dedicated to studying carbon dioxide in Earth's atmosphere. In July 2014, NASA will launch the Orbiting Carbon Observatory-2 (OCO-2) to study the fate of carbon dioxide worldwide. OCO-2 will not be the first satellite to measure carbon dioxide, but it's the first with the observational strategy, precision, resolution and coverage needed to answer these questions about these little-monitored regions.
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Via: NASA
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GROVER, which stands for both Greenland Rover and Goddard Remotely Operated Vehicle for Exploration and Research, is an autonomous, solar-operated robot that carries a ground-penetrating radar to examine the layers of Greenland's ice sheet. Its findings will help scientists understand how the massive ice sheet gains and loses ice.
space flights starting in 2017
Via: Space.com
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Via Space.com:

The private spaceflight companies Boeing and SpaceX are on track to start launching NASA astronauts to the International Space Station by 2017, representatives of both firms said Monday (Jan. 26).

In September 2014, SpaceX and Boeing were awarded contracts under NASA's commercial crew program to help them start flying astronauts on missions to the space station from U.S. soil in the next few years. SpaceX and Boeing are planning to launch a series of tests of their spaceships — capsules called Dragon V2 and the CST-100, respectively — from this year through 2017. The tests will make sure the launch systems are in good shape before the spacecraft make their first official runs to and from the station.

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