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Blog Archive


Weather Report: Mars

Posted by Bill Dunford on 2013/01/28 10:00 CST | 5 comments

Just like on Earth, clouds and storms often ripple through the Martian atmosphere. You can even check the daily weather report.

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Voyager 1 revisited: Io and Europa transiting Jupiter

Posted by Björn Jónsson on 2013/01/22 06:04 CST

What is the highest resolution global Jupiter mosaic that includes a satellite transit that can be assembled from Voyager images? Satellite transits are especially beautiful when the resolution is high enough for some details to be visible on the satellites so I decided to check this. And I was remarkably lucky.

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More Chang'E 2 Toutatis flyby images

Posted by Emily Lakdawalla on 2013/01/20 09:52 CST | 6 comments

Last week at a meeting of NASA's Small Bodies Assessment Group (SBAG), Han Li of the Chinese Academy of Sciences gave a lengthy presentation on Chang'E 2. Her presentation included a new sequence of photos from the December 13 Toutatis flyby.

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My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

Posted by Emily Lakdawalla on 2012/12/18 04:26 CST | 9 comments

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

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Blast from the past: Mariner 4's images of Mars

Posted by Emily Lakdawalla on 2012/12/10 09:15 CST | 5 comments

While hunting for photos to use in a presentation, I came across a couple of different amateur takes on the Mariner 4 photo catalog.

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Curiosity update, sol 117: Progress report from AGU

Posted by Emily Lakdawalla on 2012/12/05 07:58 CST | 4 comments

Monday was the big Curiosity day at the fall meeting of the American Geophysical Union. A morning press briefing was followed by an afternoon science session. I traveled to San Francisco briefly just to attend those two events. Here's my notes on the first science reports from the mission.

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Images from the long-awaited Dawn Vesta data set

Posted by Daniel Macháček on 2012/11/29 11:55 CST | 4 comments

A few days ago, the Dawn mission finally published their archival data. During the year of delay I often looked with anticipation to the Planetary Data System to check whether or not images were there, and I am delighted that they are finally available. Was the wait worth it? Definitely!

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That amazing image of Saturn's north pole just got better: now, it moves!

Posted by Emily Lakdawalla on 2012/11/28 11:27 CST | 2 comments

Remember the amazing photo of Saturn's north pole that I posted yesterday? Now, thanks to an amateur image processor, it moves, and the motions of the individual clouds within the belts are mesmerizing.

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Pretty Picture: Curiosity on the edge of a geologist's paradise

Posted by Emily Lakdawalla on 2012/11/26 03:11 CST | 1 comments

On Saturday, while parked for the Thanksgiving holiday at the edge of Glenelg, Curiosity took a lovely panorama pointed to the east and into Glenelg.

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Nifty animation: Dust in the air for Curiosity

Posted by Emily Lakdawalla on 2012/11/21 11:21 CST

An animation of Curiosity photos shows changes in the weather.

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Dawn Vesta Data is publicly available (for real this time!)

Posted by Emily Lakdawalla on 2012/11/16 07:08 CST | 2 comments

After a false start earlier this year, the first chunk of Dawn Framing Camera data from Vesta has finally made it to the Planetary Data System. As a first step to understanding the data set, I've built some index pages to these cool images.

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Pretty picture: Landsat view of southern Greenland

Posted by Björn Jónsson on 2012/11/13 05:24 CST

This is a very large (19000 pixels square) mosaic of the fjords and glaciers of southern Greenland. I had been interested for a long time in experimenting with the processing of Earth satellite imagery just to get a comparison to the other planets.

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Watching the slow shift of seasons on Titan

Posted by Emily Lakdawalla on 2012/11/06 02:45 CST | 1 comments

A sharp-eyed amateur noticed two images of Titan taken 20 months apart from nearly exactly the same perspective, and they illustrate how the shifting of Saturn's seasons has brought change to Titan's atmosphere.

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Getting up to speed with Curiosity as of sol 84, and two awesome mosaics

Posted by Emily Lakdawalla on 2012/10/31 07:39 CDT | 6 comments

Curiosity has already spent more than three weeks at Rocknest, working through the very slow process of commissioning the sample handling systems. While parked, she's taken a couple of amazing photo mosaics.

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A huge color global view of Dione

Posted by Emily Lakdawalla on 2012/10/23 02:33 CDT

From the Cassini data archives comes a huge (5000 pixels square!) color image of Saturn's icy moon Dione, worth investigating from both near and far.

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Pretty panoramas: Curiosity's scenic views of distant hills

Posted by Emily Lakdawalla on 2012/10/11 07:37 CDT | 3 comments

The landscapes that surround Curiosity are picture-postcard beautiful.

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Astrophotos making the web - the good, the bad and the ugly ...

Posted by Daniel Fischer on 2012/10/10 04:18 CDT | 2 comments

Space blogger Daniel Fischer writes about the problem of composited astrophotos being distributed through social media channels by people unaware that they are artworks, not documentary photographs.

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Pretty picture: Late afternoon in Gale Crater

Posted by Emily Lakdawalla on 2012/10/09 05:36 CDT | 3 comments

Curiosity shot a lovely panoramic view of the distant rim of Gale crater in the dramatic lighting of late afternoon on sol 49. Damien Bouic has colorized it, and it is beautiful.

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SpaceX's first paid cargo run off to bumpy start

Posted by Jason Davis on 2012/10/08 11:03 CDT | 7 comments

SpaceX successfully sent their first paid Dragon capsule towards the International Space Station Sunday night. But the bigger story happened on the way to orbit.

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Happy Cassini PDS Release Day!

Posted by Emily Lakdawalla on 2012/10/08 01:00 CDT | 2 comments

It's a quarterly feast day for me: the day that the Cassini mission delivers three months' worth of data to NASA's Planetary Data System. Here's a few images processed from the October 1, 2012 data release.

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