Geology of the Moon

The USGS recently released a comprehensive geologic map of the Moon.


Digital versions available at

Clair de Lune

I found this profoundly moving. Clair de Lune is always one of those prickly hair on the back of the neck songs for me. But this takes it to an entirely new level.

Bravo, NASA Goddard.


At first, the moons of Mars seem somewhat underwhelming as moons go. Small and misshapen, they don’t seem worth our attention. Still, since humans will one day look up at them and call them their own, maybe we should take a closer look at what that view will be like. We might find that they are more interesting than we expect. Continue reading “Moons”

Moons Passing

Phobos & Deimos

NASA’s Mars Odyssey orbiter catches both moons of Mars, Phobos and Deimos, in one sequence. Details:

Posted by NASA Solar System Exploration on Thursday, February 22, 2018