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Missing satellite phones home

CAPSLOCKSTUCK

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@dorsetknob

Stereo-B, part of the $520 million Stereo mission, disappeared on October 1, 2014, during a failed test of some of the system's functions.
http://stereo.gsfc.nasa.gov/


Scientists have spent the last 22 months trying to communicate with Stereo-B again. The entire mission itself was only supposed to last two years after the two spacecraft launched in 2006.

Stereo's main goal is to provide unique, front-and-back images of the sun thanks to two spacecraft, Stereo-A and Stereo-B, meant to work simultaneously.





Nasa's Stereo team used the agency's deep space network, a communications network for missions throughout space, to track down Stereo-B.

The network received a signal from Stereo-B at 6:27 pm on Sunday. The team monitored the signal for several hours to evaluate the spacecraft's attitude.

They need to figure out whether Stereo-B can continue its mission after spending almost ten years in space.

Stereo's team of scientists were testing a command on the spacecraft when they lost touch with it in October 2014.


Stereo-A, the mission's other spacecraft, continues to work normally.

Recovering Stereo-B will get easier with time, according to Nasa. The spacecraft is on a similar orbit to the Earth's but is lagging behind.

This means Earth and Stereo-B are scheduled to lap in 2023 - and in the meantime, they only get closer to each other every day.

 
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