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Blog Archive


Movie of Phobos and Deimos from Curiosity: super cool and scientifically useful

Posted by Emily Lakdawalla on 2013/08/16 05:01 CDT | 5 comments

Yesterday, the Curiosity mission released the video whose potential I got so excited about a couple of weeks ago: the view, from Curiosity, of Phobos transiting Deimos in the Martian sky. In this post, Mark Lemmon answers a bunch of my questions about why they photograph Phobos and Deimos from rovers.

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A Turn of the Kaleidoscope

Posted by Bill Dunford on 2013/08/12 08:03 CDT | 8 comments

New images from Mars.

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Curiosity is copying Cassini's tricks!

Posted by Emily Lakdawalla on 2013/08/03 10:59 CDT | 9 comments

Take a look at this amazing photo, captured by Curiosity from the surface of Mars on sol 351 (August 1, 2013). It is unmistakably Phobos.

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Mars Exploration Rovers Update: Opportunity Finds Thrill of Newberries on Matijevic Hill
Sols 3060 - 3088

Posted by A.J.S. Rayl on 2012/10/03 01:58 CDT | 1 comments

On reconnaissance of Matijevic Hill, Opportunity has driven right into another Martian mystery, compete with new kinds of “berries," tiny white veins running through two distinctive outcrops of rock, and orbital data indicating that somewhere here clay minerals are hiding, all of which has put the Mars Exploration Rover (MER) mission back in the science spotlight and made for another September to remember at Meridiani Planum.

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An alien moon, photographed from the surface of an alien world

Posted by Emily Lakdawalla on 2012/09/26 12:10 CDT | 8 comments

Curiosity has successfully photographed a crescent Phobos in a bright daylit Martian sky.

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Notes from the Lunar and Planetary Science Conference: A little bit of Phobos and Deimos

Posted by Emily Lakdawalla on 2012/03/22 12:04 CDT | 3 comments

I just sat in the "small bodies" session at the Lunar and Planetary Science Conference, listening to three talks about Phobos. The first was by Abby Fraeman, who looked at data on Phobos and Deimos from the two imaging spectrometers in orbit at Mars. The next talk, by L. Chappaz, was motivated by Phobos-Grunt's mission. It asked: if you grabbed 200 grams of soil from the surface of Phobos, how much of that material would actually have originated on Mars? Then there was a particularly interesting talk that dealt with the question of how Phobos' grooves formed.

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At last: Rosetta's Mars flyby photos have been released!

Posted by Emily Lakdawalla on 2012/01/24 03:51 CST | 1 comments

On February 24, 2007, the Rosetta spacecraft passed by Mars, the second of four planetary gravity-assist flybys on its long route to a 2014 rendezvous with comet Churyumov-Gerasimenko. At the time, they released two photos from the main science camera, OSIRIS.

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Mars Exploration Family Portrait

Posted by Emily Lakdawalla on 2011/11/23 12:26 CST | 1 comments

Jason Davis put together this neat summary of the checkered history of Mars exploration.

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Notes from Day 5 of the EPSC/DPS meeting: Saturn's storm, Phobos, and Lutetia

Posted by Emily Lakdawalla on 2011/10/07 07:09 CDT

Today was (is) the last day of the Division of Planetary Sciences / European Planetary Science Congress meeting in Nantes, France.

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Update: Phobos and Jupiter and its moons!

Posted by Emily Lakdawalla on 2011/06/20 03:53 CDT

Remember that neat picture and movie of Phobos passing by Jupiter that I posted last week? Several people asked me where Jupiter's moons were, and I just assumed that they weren't visible. I was wrong; Mars Express spotted Jupiter's moons along with the planet and Mars' moon!

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Watching Phobos pass by Jupiter

Posted by Emily Lakdawalla on 2011/06/17 09:27 CDT

Here is a really cool view of Phobos in the foreground with gigantic (but very distant) Jupiter sitting in the background, a fortuitous alignment that the Mars Express High-Resolution Stereo Camera team took advantage of on June 1.

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Animation of Phobos rotating from recent Mars Express flyby images

Posted by Emily Lakdawalla on 2011/01/25 10:18 CST

Daniel Macháček has colorized some terrific images of Phobos and run them through some morphing software to make a seamless animation that appears to show Phobos rotating before you.

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Mars Express' January 2011 Phobos images show how camera works

Posted by Emily Lakdawalla on 2011/01/21 05:09 CST

The Mars Express High-Resolution Stereo Camera (HRSC) team has just released several images from the most recent series of Phobos flybys to the Mars Express blog.

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365 Days of Astronomy Podcast: Unmanned Space Exploration in 2011

Posted by Emily Lakdawalla on 2011/01/12 10:32 CST

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.

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Sunset and eclipse on Mars

Posted by Emily Lakdawalla on 2011/01/05 11:38 CST

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

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It's Phobos season again for Mars Express

Posted by Emily Lakdawalla on 2011/01/03 01:43 CST

The Mars Express blog has been reactivated today, as a new series of Phobos flybys is already underway.

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365 Days of Astronomy Podcast: Small Worlds

Posted by Emily Lakdawalla on 2010/12/27 03:56 CST

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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Phobos Photobomb

Posted by Emily Lakdawalla on 2010/12/15 12:48 CST

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

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A few Mars Express Phobos goodies

Posted by Emily Lakdawalla on 2010/11/26 02:13 CST

To celebrate Mars Express' recent mission extension to 2014, here are some cool pictures that it took of Mars' inner and larger moon Phobos.

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The far side of Phobos

Posted by Emily Lakdawalla on 2010/03/16 09:47 CDT

Now here is an unusual image of Phobos, Mars' moon.

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