This morning, the European Space Agency's Rosetta mission enters the final chapter of its great mission where it will take many once-in-a-lifetime measurements.
Original post: Link Source: NASA This morning, the European Space Agency's Rosetta mission enters the final chapter of its great mission where it will take many once-in-a-lifetime measurements. Learn more about this #CometLanding farewell: http://go.nasa.gov/2dJPOLv
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