A gigantic map of all the cool plaques in the world. A project of 99% Invisible.

The Spaceguard Centre, Knighton, Powys

The most significant natural danger to life on Earth comes from asteroids and comets. The Spaceguard Centre is a working observatory, and the main source of information about near Earth objects in...

The most significant natural danger to life on Earth comes from asteroids and comets. The Spaceguard Centre is a working observatory, and the main source of information about near Earth objects in the UK. It was opened by Sir Patrick Moore, CBE, FRAS, on 29 September 2001.

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