Disco-ball satellite will put Einstein's theory to strictest test yet - Nature.com

Scientists hope a laser-reflecting sphere will produce the most accurate measure so far of how Earth’s rotation warps space.

The surface of LARES-2 is covered in hundreds of reflectors that will reflect laser pulses sent out by a global network of laser-ranging stations.Credit: CNES/ESA/Arianespace/Optique Vidéo CSG/P. Bau… [+6172 chars]

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