July 14, 2016 at 12:06AM

Today I Learned: 1) The DNA of a typical bacteria occupies ~1% of the cell's volume. That's interesting, to me, because I had it in my head that it was more like 10-50%, which confused me a bit because it doesn't seem like it would leave much room for all the other stuff going on in the cell. 2) A couple of astronomy-related numbers. First, the diameter of the sun is 109 times the diameter of the Earth (which makes its volume about a million times that of Earth). Second, Jupiter has more mass than *the rest of the planets in our solar system combined*. 3) More scales of things! The classical radius of an electron is about an attometer, or 10^-18. That also happens to be about the detection resolution limit on the LIGO, which is pretty ridiculous in my book.