Image credit: unknown source, of the precession of the north celestial pole.
“There is no such thing as perpetual tranquillity of mind while we live here; because life itself is but motion, and can never be without desire, nor without fear, no more than without sense.” -Thomas Hobbes
Well, it finally happened: someone asked me about the accuracy (or inaccuracy) of a certain viral video.
And as you may have guessed, there’s a little
bit that’s based in truth, but a whole lot more that’s just out-and-out wrong. So what does
the motion of our Solar System through the galaxy look like?
Image credit: National Astronomical Observatory ROZHEN, via http://sob.nao-rozhen.org/content/doomsday-21-december-2012-end-world-or-day-misunderstanding-0.
Go read the whole (accurate!) thing and find out!