The move to more energy-efficient lighting has had an unintended result: more light escaping into the night sky and causing light pollution even hundreds of miles away.
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"April is the cruellest month, breeding
Lilacs out of the dead land, mixing
Memory and desire, stirring
Dull roots with spring rain." -T. S. Eliot
Of course you all know the refrain, "April showers bring May flowers," but there's one April shower that brings fireballs instead: the Lyrids!
"By denying scientific principles, one can maintain any paradox." -Galileo Galilei
Day and night. It seems like the simplest, most natural thing about our world, that the Sun illuminates one half of the Earth at a time.