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

Solar eclipses from space: Hinode and SDO

Two spacecraft that keep their ever-watchful eyes on the Sun -- NASA's Solar Dynamics Observatory (SDO) and JAXA's Hinode -- were doing their thing, when something large wandered past: the Moon.

Two possible futures for Akatsuki

There are two intriguing possibilities being discussed in the Japanese media for what to do with Akatsuki, a space probe in orbit near Venus with a fully functional, highly capable suite of cameras but a damaged main engine.

Sunset and eclipse on Mars

These two movies were posted to the JPL website a couple of weeks ago, and they are just amazing.

Juno in an alternate universe

I was browsing JPL's Planetary Photojournal today and noticed that they've posted an updated artist's concept of the Juno spacecraft, which is set to launch in August for a 2016 arrival at Jupiter.

How Mars Express' orbit shifts with time

While I was writing yesterday's blog entry on Mars Express' Phobos flybys I realized that I didn't understand Mars Express' orbit very well. So I sent an inquiry to the Mars Express blog, which they answered in a blog entry today.

Happy 2011, and an end to the 2010 advent calendar

Welcome 2011! I can't wait for what this year has in store. The prize for all of you who have enjoyed opening each door in the Planetary Society's 2010 advent calendar is one of the best views we can get of one of the biggest objects in the asteroid belt, Vesta.

Door 31 in the 2010 advent calendar

Time to open the thirty-first (and next-to-last) door in the advent calendar. Where in the solar system are these dark-rimmed craters?

The Year in Pictures: 2010

I've just posted my annual roundup of significant images from planetary exploration in 2010.

SOHO's 2000th comet

SOHO was launched more than 15 years ago to study the Sun, primarily; but a side benefit of its constant observation of the Sun has been its ability to notice

365 Days of Astronomy Podcast: Small Worlds

Today the 365 Days of Astronomy podcast aired my contribution, Small Worlds, about the smaller denizens of the solar system visited in the past year, and due to be visited in the next.

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