The headline says it all: The list of our moon's craters just got a little longer.

On Nov. 13, the Lunar Reconnaissance Orbiter Camera (LROC) team — which operates visual equipment on NASA's Lunar Reconnaissance Orbiter (LRO) — announced the discovery of a never-before-seen dent in Earth's natural satellite. It appears to be about 72 feet (22 meters) in diameter, probably formed between December 2009 and December 2012 and comes from a collision scientists say happened just north of another lunar cavity, Römer crater.

What's important to keep in mind, though, is that finding new craters on our moon isn't really a new thing for LROC. One of its capabilities is to perform temporal analyses, which essentially means comparing before-and-after pictures of the same section of the lunar surface

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