Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Blogs

Blog Archive

 

Day Hikes in the Labyrinth of Night

Posted by Bill Dunford on 2013/02/04 10:02 CST

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

Read More »

Saturn's Hexagon Viewed from the Ground

Posted by Leigh Fletcher on 2013/02/01 05:49 CST | 2 comments

For the first time, amateur astronomers are capturing spectacular images of Saturn's bizarre north polar hexagon.

Read More »

Pretty picture: Neptune and Triton

Posted by Emily Lakdawalla on 2013/02/01 12:29 CST | 6 comments

On a lonely evening, what is one to do but to dip into archival space image data and surface with a gorgeous photo of a crescent Neptune and Triton?

Read More »

Enceladus: A problem of contrast

Posted by Emily Lakdawalla on 2013/01/30 07:00 CST | 6 comments

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

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!

Read More »

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.

Read More »

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

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

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

Watching the slow shift of seasons on Titan

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

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

Items 81 - 100 of 252  Previous12345678910Next
Facebook Twitter Email RSS AddThis

LightSail - Flight by Light

Support LightSail!

In 2016, The Planetary Society’s LightSail program will take the technology a step further.

I want to help!

Featured Images

Drill hole at Confidence Hills, Curiosity sol 759

Drilling at Confidence Hills, Curiosity sols 755-759
Curiosity at Pahrump Hills, sol 753
The Base of Mount Sharp, Curiosity sol 752
More Images

Featured Video

View Larger »

Fly to an Asteroid!

Travel to Bennu on the OSIRIS-REx spacecraft!

Send your name

Join the New Millennium Committee

Let’s invent the future together!

Become a Member

Connect With Us

Facebook! Twitter! Google+ and more…
Continue the conversation with our online community!