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Moonday: Searching for Endor
We may discover habitable moons orbiting around exoplanets, but Ewoks are unlikely to be present. I know this will probably shock you all, but I’m a big Star Wars fan. In fact, I’ve been rewatching the...
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Moonday: Earth’s Extra, Occasional Moons
The near-Earth object (NEO) Itokawa. While it isn't remotely a satellite of Earth, some NEOs may occasionally be grabbed by Earth's gravity, making a temporary second moon. Jupiter has 66 known moons,...
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Moonday: This One is For “The Oatmeal”
Advice for bloggers from The Oatmeal. Click to read the whole comic (language is not for the Victorian-minded). I was reading the hilariously vulgar comic strip The Oatmeal on Saturday, as is my habit....
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Moonday: Map the Moon from Your Own Home
The Apollo 11 landing site, as seen from the Lunar Reconnaissance Orbiter (LRO). You can help classify LRO images with the Moon Zoo project. Only 12 human beings have walked on the surface of another...
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Moonday: Saturn Snags Snowball Satellite
Saturn's moon Phoebe, as seen by the Cassini space probe. The white streaks around craters are signs of water ice, though there are also carbon compounds that give it a gray appearance. Where do moons...
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Moonday: Tides of DOOM
Over the course of many Moondays, we have explored a lot of the satellites in the (relatively) heavily explored regions of the Solar System: Mars, the larger moons of Jupiter, a lot of Saturn’s...
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Moonday: Double World
Earth’s Moon is the fifth largest satellite in the Solar System, making it one of the larger objects, period: only Io, Callisto, Ganymede, Titan, and the eight planets are larger. None of the dwarf...
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Moonday: Haumea Help You?
(Yes, I know. It’s a terrible joke. I blame Phil Plait for making bad puns acceptable in astronomy blogging.) Pluto’s five moons, with their orbits drawn in. Note how regular they are, lying in the...
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My Favorite Moon (Science Advent 9)
(Every day until Christmas, I’ll be posting a science-related image.) Day 9 Saturn’s strange moon Hyperion, one of the largest irregularly shaped objects in the Solar System. Like Spaceman Spiff, I...
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End of the GRAIL Quest (Science Advent 16)
(Every day until Christmas, I’ll be posting a science-related image.) Day 16 A map of Earth’s Moon, using gravitational data from the twin GRAIL spacecraft. The GRAIL mission ends today, when the...
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