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Blog Archive


Latest Rosetta NavCam images reveal jets on Churyumov-Gerasimenko

Posted by Emily Lakdawalla on 2014/09/04 12:12 CDT | 5 comments

ESA released another set of NavCam images of the comet today, and lo and behold, there are jets! We knew they were there, from an earlier OSIRIS image, but it's tremendously cool to see the comet behaving like a proper comet should.

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ESA invites amateurs to produce portraits of comet 67P

Posted by Emily Lakdawalla on 2014/09/01 12:01 CDT

After a pause of about a week in daily image releases from Rosetta, ESA has begun sharing four-image sets of photos of comet Churyumov-Gerasimenko and invited the public to help produce pretty pictures from them.

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Best-ever Neptune mosaics for the 25th anniversary of Voyager 2's flyby

Posted by Emily Lakdawalla on 2014/08/25 10:58 CDT | 4 comments

In honor of the 25th anniversary of the Voyager 2 flyby of Neptune, image magician Björn Jónsson has produced two new global mosaics of the distant ice giant, the highest-resolution ever made.

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New Postcards from Mars

Posted by Bill Dunford on 2014/08/18 10:34 CDT | 7 comments

The latest snaphots from the "Mars Webcam" include something special.

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Dark mountain on Vesta: Aricia Tholus

Posted by Emily Lakdawalla on 2014/07/28 03:07 CDT | 1 comments

Newly processed images of one of the more puzzling features on the surface of Vesta: a dark mountain named Aricia Tholus.

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Standing on Venus in 1975

Posted by Ted Stryk on 2014/07/24 10:19 CDT | 4 comments

Venera 9 and 10 landed on Venus in 1975 and sent back the first images of the planet's surface. Now, Ted Stryk brings new life to these images to show us what it would be like to stand on the Venusian surface.

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A right old comet kerfuffle…

Posted by Stuart Atkinson on 2014/07/18 12:02 CDT | 16 comments

A European space enthusiast, children's author, and volunteer astronomy outreach worker asks for more images from Rosetta.

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Voyager 3 Project

Posted by Peter Rosén on 2014/07/08 02:15 CDT | 3 comments

In 1979, the Voyager 1 probe took a stunning series of images on its final approach to Jupiter. Thirty-five years later, almost to the day, a group of seven Swedish amateur astronomers set out to replicate this odyssey, but with images taken with their own ground-based telescopes.

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A close look at Saturn's closest moons

Posted by Emily Lakdawalla on 2014/06/26 08:13 CDT | 1 comments

A new composite image of the eight named moons that orbit closest to Saturn, and a list of all the best Cassini observations of these moons.

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Deep Impact's last images

Posted by Emily Lakdawalla on 2014/05/27 07:13 CDT

Today I received an email notification of new public releases of some image data sets. I always love seeing new public space image data, but this notification was bittersweet: it included the first public release of the very last image data returned to Earth by Deep Impact, of a distant comet ISON.

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Dust on, dust off: Before-and-after comparisons of rover decks on Mars

Posted by Emily Lakdawalla on 2014/05/19 04:16 CDT | 6 comments

Curiosity and Opportunity self-portraits show one rover accumulating dust, the other losing it. Check out these cool before-and-after comparisons.

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Image processing trick: Removing interline transfer smear from Curiosity photos

Posted by Emily Lakdawalla on 2014/05/01 03:27 CDT | 2 comments

Curiosity took a new self-portrait on sol 613. This post contains a tip for would-be Curiosity image processors on how to make their Curiosity mosaics better: removing the smearing effect of bright objects in MAHLI photos.

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Another Pale Blue Dot — Uranus Spied By Cassini

Posted by Val KlavansIan Regan on 2014/04/30 06:53 CDT | 1 comments

The Cassini mission has already returned an array of images of other solar system members from Saturn orbit: Earth (and the Moon), Venus, Mars, and Jupiter. It’s time to add another world to that list!

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Pretty picture: Sunset over Gale crater

Posted by Emily Lakdawalla on 2014/04/14 10:38 CDT | 5 comments

Imagine yourself on a windswept landscape of rocks and red dust with mountains all around you. The temperature -- never warm on this planet -- suddenly plunges, as the small Sun sets behind the western range of mountains.

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Look how clean Opportunity is now!

Posted by Emily Lakdawalla on 2014/04/09 10:28 CDT | 1 comments

While climbing Murray Ridge, Opportunity enjoyed a major cleaning event that has left the rover's solar panels more dust-free than they have been in years. The rover captured a pretty panorama of the newly clean deck with its Pancams, and James Sorenson processed the version shown here.

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A little fun with Cassini rings images

Posted by Emily Lakdawalla on 2014/02/25 06:51 CST | 7 comments

It's happened again; I went into the Cassini image archive looking for something specific and wound up spending several hours playing with totally unrelated image data. Here are several beautiful images of the rings from the archives.

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The Two Faces of Phoebe

Posted by Daniel Macháček on 2014/02/13 10:03 CST | 7 comments

Cassini flew past Phoebe on June 11, 2004, on its way to entering Saturn orbit. The flyby was almost perfect but overexposure of some images have prevented color mosaics from being produced. Even though Phoebe's body is gray and dull in color, the absence of color images always provoked me. By using VIMS data, I have now produced color mosaics.

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New Hills, Old Secrets

Posted by Bill Dunford on 2014/02/10 08:04 CST | 1 comments

Exploring a set of newly named hills on Mars reveals tantalizing clues to the planet's story.

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Looking Backward: Curiosity gazes upon the setting Earth

Posted by Emily Lakdawalla on 2014/02/05 11:58 CST | 10 comments

A few days ago, Curiosity looked westward after sunset and photographed Earth setting toward the mountainous rim of Gale crater.

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The Faces of Mars

Posted by Bill Dunford on 2014/02/03 10:49 CST | 5 comments

Portraits of a planet.

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