Lageos-1, 1976 The 426 laser reflectors on its surface provide an orbiting laser ranging benchmark for geodynamical studies and detection of Earth’s gravitational field perturbations. Each bolt-end inside it carries a message by Carl Sagan, and

Lageos-1, 1976 The 426 laser reflectors on its surface provide an orbiting laser ranging benchmark for geodynamical studies and detection of Earth’s gravitational field perturbations. Each bolt-end inside it carries a message by Carl Sagan, and

tags: melisaki, tech,space,bw,70s,

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