esa.int
Gaia micrometeoroid and solar storm
ESA explains Gaia's micrometeoroid hit and solar storm.
About Gaia micrometeoroid and solar storm
Gaia, launched in December 2013, maps the positions and motions of more than a billion stars with high precision. It discusses how a micrometeoroid hit and a powerful solar storm at the L2 point affected Gaia’s sensors and data processing, and how engineers mitigated the impact.
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