University’s new laser system could help astronomers in the hunt for exoplanets

The laser system, developed by Heriot-Watt University, could be used by astronomers in the hunt for new earth-like planets (Heriot-Watt University/PA)

University scientists have developed a system which could help astronomers find Earth-like planets – and it is powered by a laser similar to those sold in shops.

Researchers at Edinburgh’s Heriot-Watt University have produced a device powered by a green laser similar to laser pointers sold for less than £5.