361
xkcd #3283: Size and Lifespan
(imgs.xkcd.com)
A community for a webcomic of romance, sarcasm, math, and language.
That's not what I was saying. What I was saying is that if they are light in mass (kilos, tons) they need to be dense. Didn't wanna write a book just for that one point, and it already got long-ish anyway.