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A radio show on Mercury and a space carnival

Emily Lakdawalla • March 28, 2011

Today's Planetary Radio features Sean Solomon on the successful arrival of MESSENGER at Mercury. After checking that out, wander over to the 190th Carnival of Space, hosted this week by Paul Gilster over at Centauri Dreams.

Mercury: a moon-scale body

Emily Lakdawalla • March 17, 2011 • 1

As I wait for the MESSENGER Mercury Orbit Insertion webcast to start, I thought I'd fiddle with some images to point out that Mercury is a bridge between the scales of planets and the scales of moons.

How to follow MESSENGER's orbit insertion today

Emily Lakdawalla • March 17, 2011

The day is finally here! In only five and a half hours, at 00:45 on March 18 (according to the spacecraft's clock), MESSENGER must ignite its main engine and run though a third of its fuel in only 15 minutes in order to enter its planned orbit around Mercury.

Two days from MESSENGER's Mercury arrival

Emily Lakdawalla • March 15, 2011

Today the MESSENGER team briefed the press on the impending arrival of their spacecraft at Mercury.

The curse of living on a geologically active planet

Emily Lakdawalla • March 14, 2011

As the disaster of the magnitude 8.9 Sendai quake of Friday, March 11, at 05:46:23 UTC continues to unfold in Japan, I have been unable to tear my attention away.

365 Days of Astronomy Podcast: A MESSENGER to Mercury

Emily Lakdawalla • March 14, 2011

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

Emily Lakdawalla • February 18, 2011

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.

365 Days of Astronomy Podcast: Unmanned Space Exploration in 2011

Emily Lakdawalla • January 12, 2011

Today the 365 Days of Astronomy podcast aired my contribution, Unmanned Space Exploration in 2011, about what to look forward to in solar system exploration this year.

Door 30 in the 2010 advent calendar

Emily Lakdawalla • December 30, 2010

Time to open the thirtieth door in the advent calendar. Where in the solar system is this ridged crater?

Door 2 in the 2010 advent calendar

Emily Lakdawalla • December 02, 2010

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?

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