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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Europe Will Select Its Next Major Science Mission in November

Van Kane • September 25, 2013 • 2

The European Space Agency will announce two major science missions this November, one of which is likely to be devoted to solar system exploration.

Scale comparisons of the solar system's major moons

Emily Lakdawalla • July 10, 2013 • 15

A few presentation slides with pretty pictures, sized to scale, of the large moons of the solar system.

Pretty picture: Neptune and Triton

Emily Lakdawalla • February 01, 2013 • 6

On a lonely evening, what is one to do but to dip into archival space image data and surface with a gorgeous photo of a crescent Neptune and Triton?

A Distant View of Triton

Ted Stryk • September 26, 2011

Ted Stryk reminisces on how he was turned on to astronomy.

Scale solar system presentation slide, a provisional version for you to review

Emily Lakdawalla • September 15, 2011

I'm preparing a talk for the Pacific Astronomy and Telescope Show here in Pasadena on Sunday afternoon at 1:45. I have spent the morning putting together a slide that I have long wanted to have for presentations.

New Horizons Day 2: Tectonic features on icy worlds

Emily Lakdawalla • September 09, 2011

The second day of the New Horizons Workshop on Icy Surface Processes was about geology and geophysics. This long post just covers the first talk of that day.

New Horizons workshop, day 1: Chemistry & climate on Pluto & other cold places

Emily Lakdawalla • August 30, 2011

Today and tomorrow I'm attending the New Horizons Workshop on Icy Surface Processes. The first day was all about the composition of the surface and atmosphere of Pluto, Charon, Triton, and other distant places.

Mercury: a moon-scale body

Emily Lakdawalla • March 17, 2011

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.

Door 8 in the 2010 advent calendar

Emily Lakdawalla • December 08, 2010

Time to open the eighth door in the advent calendar. Where in the solar system is this nearly flat plain?

Neptune from two slightly different perspectives

Emily Lakdawalla • September 06, 2010

Coincidentally, two new images of Neptune were posted today, from two very different sources.

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