This stunning visualization by graphic designer Martin Vargic shows the more than 800 exoplanets astronomers have discovered prior to October 2015 arranged according to their temperature and density.

Although we don’t have any idea what any of these exoplanets actually look like — something Vargic acknowledges — his infographic appears reasonably accurate, at least in terms of size and orbital distance of these exoplanets.

You can see a really large version of this infographic — and find out about ordering a print — by following to this link .