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Intro Astronomy Class 5: Venus (continued) and Mars

Bruce Betts • March 06, 2014

Continue exploring Venus and begin looking at Mars in this video of class 5 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy Class 4: Eclipses, Mercury, Venus-Earth-Mars Atmospheres, Venus

Bruce Betts • February 28, 2014

This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.

Looking Backward: Curiosity gazes upon the setting Earth

Emily Lakdawalla • February 05, 2014

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

Do you want to learn more about the Universe?

Matthew Francis • January 15, 2014

CosmoAcademy — a project from the CosmoQuest educational and citizen-science group — is offering three new online classes: Introduction to Dark Matter, Introduction to Astronomy via Color Imaging, and Life Beyond Earth: Introduction to Astrobiology.

Multiple views of comet ISON from solar-observing spacecraft

Emily Lakdawalla • December 02, 2013

When comet ISON passed through perihelion last week, solar observing spacecraft had a ringside view. Here are several animations of ISON's perilous passage from the SOHO and two STEREO spacecraft.

The Mariner Mars Globe

Don Davis • November 29, 2013

In 1971 I was being trained to work with the airbrush by the map artists at the U.S. Geological Survey's Branch of Astrogeologic Studies in Flagstaff. However, the project I ended up spending about a quarter of a man-year on was a hand-painted map globe of Mars.

On space kindness and the Chelyabinsk meteor

Vitaliy Egorov • October 04, 2013

Through an act of kindness, we now have images of the Chelyabinsk meteor trail from Russia's Elektro-L satellite.

Super cool Phobos and Deimos animations from Mars Express

Emily Lakdawalla • October 03, 2013

I've been delving in to the Mars Express image archive this week, checking out its images of Phobos, and found a couple of really cool time-series of images to assemble into animations.

Two new ways to browse Vesta: 2. Vesta Image data browser

Emily Lakdawalla • September 16, 2013

A few weeks ago I received an email pointing me to a really cool new map-based browser to Dawn's Vesta image data.

Producing global views of Vesta from archival data

Björn Jónsson • August 21, 2013

Björn Jónsson produces beautiful color and 3D global mosaics of Vesta from Dawn's archival data.

Want to learn how to process space images? Take my Cosmoquest Academy class!

Emily Lakdawalla • August 09, 2013

The Planetary Society and Cosmoquest have teamed up to offer a short course in space image processing, and I'll be teaching! The course comprises four one-hour sessions from October 14 to 23.

One of my favorite image processing tricks: colorizing images

Emily Lakdawalla • April 23, 2013

An easy image processing trick -- using lower-resolution color data to colorize a black-and-white photo -- is relied upon by many space missions to keep data volumes low. Here's how to do it.

Russia's Mars 3 lander maybe found by Russian amateurs

Emily Lakdawalla • April 12, 2013

Виталий Егоров (Vitaliy Egorov) is a Russian space enthusiast who enlisted help of fellow enthusiasts to search for -- and maybe find -- the Russian Mars 3 hardware on the Martian surface. Here he explains how he did it.

Browse Curiosity's data in the Analyst's notebook

Emily Lakdawalla • March 05, 2013

Last week the Curiosity mission made its first data delivery to the Planetary Data System. The bad news: none of the science camera image data is there yet. The good news: there are lots and lots of other goodies to explore.

Galileo's images of Gaspra

Emily Lakdawalla • March 01, 2013

Last week I trawled the archives to find all of Galileo's images of asteroid Ida; this week, I turned to Gaspra.

Browsing Landsat data is a lot easier than I thought it was

Emily Lakdawalla • February 08, 2013

With the Landsat Data Continuity Mission scheduled to launch on Monday, there's been a lot of Tweeting about Landsat, and through one such Tweet I learned about a resource that I hadn't known existed before: the LandsatLook Viewer. This is a graphical interface to more than a decade worth of Landsat data, a tremendous resource for anyone interested in Earth's changing surface, natural or manmade.

Day Hikes in the Labyrinth of Night

Bill Dunford • February 04, 2013

Noctis Labyrinthus on Mars is an amazing place for an imagined day hike, courtesy of images from Mars Express.

Enceladus: A problem of contrast

Emily Lakdawalla • January 30, 2013

Time for my quarterly foray into the Cassini archival science data! The very first image I downloaded from the January 1, 2013 data release presented an interesting challenge to my image processing skill. I'll show you the pretty picture of Enceladus and then explain how I processed it.

Who is the photographer behind Mars rover photos? Answer from Mark Lemmon

Mark Lemmon • December 21, 2012

A Mars imaging scientist answers the question: who is the "photographer" behind images returned from Mars?

Images from the long-awaited Dawn Vesta data set

Daniel Macháček • November 29, 2012

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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