A Moment of Science
The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. Why do we shine light up into the sky in the first place?
If you've ever glanced skyward, you've probably noticed the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light.
"Where Is Everybody?" Learn about the Fermi Paradox on this Moment of Science.
To really behold the stars these days, you have to travel far from cities and towns to escape urban glow. The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. But why do we shine light up into the sky in the first place? We need light shining down on streets and walkways–not up into the sky!
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