something about this just makes me feel old.



i'm waiting for the starlight in your eyes


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musings on starlight, found via 3 quarks daily:

celebrating the commonplace:
[...]Other things are thought about for the first time because they are so utterly commonplace that no one has bothered to think about them before. These are the kind of things I like to think about.

Consider starlight. What could be more commonplace than starlight?

Arcturus is high in the southeast these evenings. Arcturus is 36 light-years away. That's 216 trillion miles. And I saw it.

It's not like a special ray of light came from Arcturus to my eyes. That's what we often imagine. We've seen so many pictures of Stars of Bethlehem and Twinkle Twinkle Little Stars with beams of light shooting straight down to Earth that it's easy to believe that the light from the star is somehow directed towards us, personally. But, of course, when we think about it, we realize that this is not so.

The light from a star radiates in every direction, like a constantly expanding balloon of energy, getting weaker all the time. Only the tiniest fraction of a star's light falls upon the Earth...
read it all.


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