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The Full Snow Moon comes Tuesday, and see the far side...

South pole of the far side of the moon as seen from the GRAIL mission’s Ebb spacecraft. View bigger. (NASA/JPL-Caltech)

The image shown here (to the right) was acquired during a January 19 test of the Ebb spacecraft on NASA’s GRAIL mission. It shows the crater-filled south pole of the moon’s far side, or the side we can’t see.

The GRAIL mission launched twin spacecraft, Ebb and Flow, into tandem orbits around the moon in September.

NASA overview of GRAIL mission

Anticipate an onslaught of lunar imagery to begin emerging in mid-March when thousands of fourth- to eight-grade students across the country begin requesting target areas of the moon to study. The requests will be received by the MoonKAM Mission Operations Center in San Diego, which will send photos back to the students.

NASA says GRAIL is its first mission fully dedicated to education and public outreach.

As the for the arriving “Full Snow Moon”, it will be hard to miss tonight (at 99 percent illumination) and Tuesday (full). Just don’t look for much of the snow for which the moon is named. That is, unless you’re in Europe...

Here’s a video from NASA on other night sky phenomena to look out for this month...

Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.


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