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Images Dated 5th August 1985

Choose from 10 pictures in our Images Dated 5th August 1985 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Laser beam fired into the night sky Featured 5 Aug 1985 Print

Laser beam fired into the night sky

A laser beam is fired into the night sky from an observatory on the island of Maui, Hawaii, as part of a programme of research on crustal geodynamics. The beam is reflected back from a mirror on a sat- ellite orbiting Earth, to provide the first really precise measurements of continental drift. Several satellites are used for this research, & laser beams are fired at them from observatories on different continents, enabling scientists to build up a more exact picture of how the continents are moving towards or away from each other. Curving star trails are seen in the long-exposure photo