https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=176.31.9.212explain xkcd - User contributions [en]2026-07-06T20:49:51ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=1145:_Sky_Color&diff=259391145: Sky Color2013-01-22T00:52:22Z<p>176.31.9.212: /* Explanation */</p>
<hr />
<div>{{comic<br />
| number = 1145<br />
| date = December 10, 2012<br />
| title = Sky Color<br />
| image = sky color.png<br />
| titletext = Feynman recounted another good one upperclassmen would use on freshmen physics students: When you look at words in a mirror, how come they're reversed left to right but not top to bottom? What's special about the horizontal axis?<br />
}}<br />
<br />
perfectly,<br />
It informational resource, I'll bookmark it and visit it again!<br />
<br />
==Transcript==<br />
:[Girl and her mother. The mother is at a desk and facing the girl.]<br />
:Girl: Mommy, why is the sky blue?<br />
:Mother: Rayleigh scattering! Short wavelengths get scattered ''way'' more (proportional to 1/''<span title="lambda">&#955;</span>''<sup>4</sup>). Blue light dominates because it's so short.<br />
:Girl: Oh.<br />
:Girl: So why ''isn't'' the sky violet?<br />
:Mother: Well, because, uh... ...hmm.<br />
<br />
:Caption: My hobby: Teaching tricky questions to the children of my scientist friends.<br />
<br />
{{comic discussion}}<br />
[[Category:Comics featuring Megan]]<br />
[[Category:Physics]]<br />
[[Category:My Hobby]]</div>176.31.9.212