Pluto’s Sputnik basin tilted the entire planet

Enlarge / The formation, filling, and rotation of Sputnik Planitia. James Tuttle Keane The cliché is that a picture is worth a thousand words. But if you pay attention to all the information that scientists have extracted from New Horizons’ photos of Pluto, then you’d be forgiven for thinking that’s a gross under-estimate. Items large and small, from massive nitrogen seas to the mountain-sized icebergs … Continue reading Pluto’s Sputnik basin tilted the entire planet

The Evolution and a Tour of the Moon

Tour of the Moon is a concatenation of two separate videos. I thought it would be more informative to merge the two related videos back to back. From year to year, the moon never seems to change. Craters and other formations appear to be permanent now, but the moon didn’t always look like this. Thanks to NASA’s Lunar Reconnaissance Orbiter, we now have a better … Continue reading The Evolution and a Tour of the Moon