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Stories, updates, insights, and original analysis from The Planetary Society.

MMTO image of LCROSS plume on crater Cabeus A

MMT image of the plume and its shadow?

I am pretty sure this image shows the LCROSS impact plume and its shadow as seen from the MMT observatory in Arizona, but as Alan Boyle just pointed out, the time stamps indicate the photos were all taken before the nominal impact time.

Impact site of the Apollo 14 S-IVB from LROC

LROC nabs image of the Apollo 14 S-IVB impact site

As a reminder that we've been crashing stuff into the Moon for decades, the Lunar Reconnaissance Orbiter Camera (LROC) team released today a photo of the crater made by the spent upper stage of the Saturn rocket that lofted the Apollo 14 mission to the Moon.

Lunar south pole, LCROSS' target

LCROSS impact preview

Way early tomorrow morning, LCROSS and its Centaur upper stage will crash into the lunar south pole.

Artist's concept of near-Earth asteroids

Apophis is less scary than it used to be

Based on analyses of previously unstudied telescopic data, NASA scientists have released new predictions for the path of the 300-meter-diameter asteroid Apophis.

MESSENGER at Mercury

MESSENGER is fine

The caption to today's image release from the MESSENGER team concerns their long-term campaign to study Mercury's brightness through a range of phase angles.

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