Spectacular blue spiral light brightens up night sky, likely from Space X rocket
A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.
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Bye-bye dark sky: is light pollution costing us more than just the night-time?
Some types of bats, such as brown long-eared ... Use cones or baffle lights to focus the light down onto the ground or on the object you need to see. This will limit your contribution to sky glow and ...