Environmental & Science Education, STEM, Earth & Space Science, Earth Systems
Ed Hessler
This image from Astronomy Picture of the Day (APOD) is of an atmospheric phenomenon new to me and also draws attention to the power of gravity. Gravity holds a distinction among the fundamental forces of nature: it is the weakest. But on larger scales in the universe it is the strongest - it acts over incomprehensibly long distances.
The sky photographed is one that most of us can only dream about ever seeing. Fortunately, the rest of us can share the pleasure of another's looking up, noticing recording, and posting this lovely photo. The explanation deepens and broadens this experience.
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