3 ms·
Unless the atoms were moving away from the observer, then they might appear a little rouged.
by mdpye 14y ago
Unless the atoms were moving away from the observer, then they might appear a little rouged.
- nkoren 14y agoAaaand, the obligatory XKCD for this: http://xkcd.com/1125/ http://xkcd.com/1125/