It's a graphic of how the sun and four inner planets move through space. Instead of traveling around the sun in a flat plane (how we usually picture it), the planets sort of whirly-loop around as the sun moves through the galaxy.
I've seen it before, but don't remember where it's from.
no subject
Date: 2012-08-15 05:23 pm (UTC)no subject
Date: 2012-08-15 09:07 pm (UTC)I've seen it before, but don't remember where it's from.