No, that's not a new band name, but a description The Bad Astronomer often uses when talking about Phobos. Today he had a great entry on his blog, and I just had to share the video. Basically, what you are seeing is a video stitched together from images sent back by the Mars Express Orbiter of the moon Phobos as it passes by Jupiter (from the orbiter's frame of reference). Dr. Plait's blog explains the geometry with pictures and everything.
CLICK HERE TO READ AN ACTUAL ASTRONOMER'S THOUGHTS ON THIS.
Although,truth be told, "Lumpy Potato Moon" does sound like a great band name!
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