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

365 Days of Astronomy Podcast: A MESSENGER to Mercury

I've got another 365 Days of Astronomy podcast airing today, this one an overview of the MESSENGER mission with particular attention to what's been learned in the three Mercury flybys, and what's going to happen when it enters orbit only a little more than three days from now!

The Solar System from the Inside Out - and the Outside In

Space probes grant us perspective, the ability to see our place within the vastness of the solar system. But opportunities to see all of the solar system's planets in one observation are rare. In fact, there's only been one opportunity on one mission to see the whole solar system at once, until now.

Door 2 in the 2010 advent calendar

Time to open the second door in the advent calendar. Until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Can you guess where this crater-scarred surface lies?

New Mercury Atlas

The United States Geological Survey has just released a new atlas of Mercury, the first to be based upon the three flybys worth of image data gathered by the MESSENGER mission.

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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