[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ]
And if I can be shameless: Forbes pays according to traffic, so the more of you who share and visit and read my stuff, the better they pay me. Ahem.
Sand dunes are found all over Earth: along the shores of lakes or oceans, deserts like the Sahara in Africa, and even underwater. Robotic space probes have also found dunes on Venus, Mars, and Saturn’s giant moon Titan.
Now researchers think they have found dunes on Pluto, which presents a huge (and fun) mystery. How can dunes form on a world where the atmosphere is a bare wisp, not enough to create the kind of winds responsible for making dunes elsewhere in the Solar System?