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The scale of our solar system

Emily Lakdawalla • May 02, 2011

Space.com has taken advantage of the infinitely scrollable nature of Web pages to produce a really cool infographic on the scales of orbital distances in the solar system.

Pretty picture: Viking 1 across Mars

Emily Lakdawalla • March 09, 2011

Image magician Daniel Macháček has been turning his energies to Viking Orbiter views of Mars lately, with some stunning results, like the one below. I'm not sure how he makes images that look so sharp and clean and with such rich color out of the Viking Orbiter data.

Phobos Photobomb

Emily Lakdawalla • December 15, 2010

Don't blink when you play the video below -- it's only 15 seconds long, but it's so cool.

Jaded by Mars Organics

Ryan Anderson • September 11, 2010

So, you may have heard the news making the rounds last week that a new analysis of the Viking data suggests there may actually be organics and (dare I even say it?) life on Mars! Yawn. Consider me underwhelmed.

Sunrise on Mars

Emily Lakdawalla • June 23, 2010

Here is a photo crafted from data that are nearly as old as I am, showing a beautiful sunrise on Mars.

Spirit: Schrödinger's Rover

Emily Lakdawalla • April 28, 2010

Either Spirit is the longest-lived landed Mars mission ever, or she is not. We won't know for certain unless we manage to observe a radio signal from her.

Buttoning up the Mars Orbiter Camera science investigation

Emily Lakdawalla • January 15, 2010

The science team for Mars Orbiter Camera, or "MOC" (pronounced "mock") has just published a paper that attempts to summarize an investigation that spanned more than two decades.

Happy Christmas on Mars!

Emily Lakdawalla • December 24, 2009

This was so cute I had to repost it -- and record it too.

Planetary Society Advent Calendar for December 23: Deimos

Emily Lakdawalla • December 23, 2009

Mars' moon Deimos never gets as much love as Phobos.

Mapping Mars, now and in history

Emily Lakdawalla • February 26, 2009

Planetary cartographer Phil Stooke has been working on a cool project to compose and compare maps of Mars that show how we saw the planet throughout the Space Age.

Another longevity milestone for Spirit and Opportunity

Emily Lakdawalla • December 29, 2008

We're getting close to the fifth anniversary of the landings of Spirit and Opportunity, but was we approach that milestone, we're passing another. I've been told that as of yesterday, Spirit and Opportunity have operated on Mars for a combined length of time that is longer than the combined number of sols that the twin Viking landers operated.

Opportunity's got a long road ahead

Emily Lakdawalla • September 19, 2008

Mars Exploration Rover principal investigator Steve Squyres announced on National Public Radio's Science Friday show the next goal for Opportunity, and it's a long, long, long way away: a huge crater about 12 kilometers southeast of its current location, which the team is referring to internally as "Endeavour."

White Rock through the ages: Viking (1976-1980)

Emily Lakdawalla • February 13, 2008

This is the second installment in my look at one enigmatic feature on Mars as seen by all its orbiters through the more than thirty years of spacecraft observations.

White Rock through the ages: Mariner 9, 1972

Emily Lakdawalla • February 08, 2008

While conversing with Ken Edgett about the smiley face on Mars he remarked to me how different Mars looks at different pixel scales, and in particular that there is a transition somewhere in the neighborhood of six to seven meters per pixel.

Finding images from Mars

Emily Lakdawalla • February 06, 2008

There have been so many missions to Mars, which have sent back so much data, that figuring out how to find images of places on Mars can be really overwhelming.

The dust storm has brought gloom to Opportunity's skies, but everything is OK

Emily Lakdawalla • July 10, 2007

Opportunity has ceased operations for a couple of days because the amount of sunlight available is low due to an unpredicted dust storm.

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