” Big Bear Lake in the Sierras, 6500 feet up (2000 feet higher than you can get in the UK without an aircraft), has an excellent night sky, stabilised by the water of the artificial lake “
” Big Bear Lake in the Sierras, 6500 feet up (2000 feet higher than you can get in the UK without an aircraft), has an excellent night sky, stabilised by the water of the artificial lake “