Periodic Table of Exoplanets Neatly Classifies Over 3,700 Known Worlds

Some of these planets resemble those found in our own Solar System, while others look like they came from LSD-inspired science fiction novels.

from gizmodo http://www.gizmodo.co.uk/2017/11/periodic-table-of-exoplanets-neatly-classifies-over-3700-known-worlds/