The Orion's Arm Universe Project Forums

Full Version: Double-earths by Anders Sandberg

You're currently viewing a stripped down version of our content. View the full version with proper formatting.

Here's a recent article by Anders Sandberg giving some details of planets twice as wide as Earth; note how different the wet and and dry case are.
http://www.aleph.se/andart/archives/2013...earth.html

stevebowers