The Eridanus Void. This area shows almost no signs of cosmic matter, meaning no stars, planets, solar systems or clouds of cosmic dust. Researchers couldn't even find dark matter, which is invisible but measurable by matter once present in the region.
The rare fire rainbow was spotted at the River Spey in Moray by Ali Bain who was out for an evening stroll. The amazing cloud type is caused by a unique combination of the sun’s position and the shape of ice crystals in the air.