Space-Time Experiment Could Study Hazardous, Speedy Space Rocks

A spacecraft built to help search for ripples in space-time could also count up the number of tiny space rocks that pose a potential hazard to satellites and spacecraft that orbit the sun. Micrometeoroids  — those that are about the size of a pea or smaller — regularly pepper satellites and spacecraft that venture off the surface of the Earth. Though the designers of the Laser Interferometer Space Antennae (LISA) Pathfinder spacecraft never intended their instrument to be used f