Powerful European Earth-observation satellite suffers anomaly in orbit

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Powerful European Earth-observation satellite suffers anomaly in orbit
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Sentinel-1b hasn't beamed any data home since Dec. 23.

"However, during the preparation of the recovery operations, it became clear that the initial anomaly was a consequence of a potential serious problem related to a unit of the power system of the Sentinel-1B satellite," they added."The operations performed over the last days did not allow to reactivate so far a power supply function required for the radar operations. Further investigations to identify and remedy the root cause will be performed over the next days.

Sentinel-1B launched to a polar orbit in April 2016, two years after its twin, Sentinel-1A. Together, the two satellites have been providing continuous, high-resolution radar mapping of Earth for a variety of users. Each satellite is expected to gather data for at least seven years, and each has enough fuel onboard to operate for 12 years,The Sentinel-1 pair aren't the only Copernicus spacecraft to get off the ground.

Copernicus also incorporates data gathered by a number of"contributing missions," which are operated by a variety of different organizations.

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