Blog Archive

Jupiter and Io from Pioneer 10

Posted by Ted Stryk on 2013/08/02 04:25 CDT | 1 comments

This is a parting shot of Jupiter and Io, taken December 5, 1973, by the Pioneer 10 spacecraft, the first to see either world as a crescent.

Scale comparisons of the solar system's major moons

Posted by Emily Lakdawalla on 2013/07/10 06:05 CDT | 12 comments

A few presentation slides with pretty pictures, sized to scale, of the large moons of the solar system.

High-resolution Voyager 1 view of Jupiter with Io and Europa

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.

Jupiter and Io from Pleiades-1B (animation)

Pretty picture: Jupiter photo from an unusual source

Posted by Emily Lakdawalla on 2012/12/26 01:02 CST | 4 comments

A recently launched Earth-observing satellite is using the stars to practice its pointing, and caught a neat animation of Jupiter.

Galileo's still producing discoveries: A magma ocean within Io!

Posted by Jason Perry on 2011/05/13 11:44 CDT

A fresh report was published online yesterday in Science Express on the discovery of a magma ocean beneath the surface of Io. Big news! This is a paper I've been looking forward to seeing for more than year and half.

Some similar-sized objects in the solar system

Mercury: a moon-scale body

Posted by Emily Lakdawalla on 2011/03/17 06:15 CDT

As I wait for the MESSENGER Mercury Orbit Insertion webcast to start, I thought I'd fiddle with some images to point out that Mercury is a bridge between the scales of planets and the scales of moons.

LPSC 2011: Wanted: Pioneer 10 & 11 digital data

Posted by Emily Lakdawalla on 2011/03/11 01:39 CST

This is both a Lunar and Planetary Science Conference (LPSC) update and a public service announcement. Ted Stryk has been working for years to locate the original Pioneer 10 and 11 image data from the Jupiter and Saturn encounters.

Io and Jupiter from Voyager 1

Posted by Emily Lakdawalla on 2011/01/31 03:14 CST

Here's an image I've been meaning to post for months, a new mosaic from Voyager 1 by Ted Stryk of Io crossing Jupiter's terminator as it neared closest approach.

Field trip to Piton

Posted by Rosaly Lopes on 2010/10/07 05:22 CDT

Rosaly Lopes relates her time at a workshop in Piton.

Exposing Io's true colors

Posted by Jason Perry on 2010/08/20 05:15 CDT

Thanks to its active volcanic activity and sulfur-rich surface, Io is one of the most colorful worlds yet seen in the Solar System, save the Earth of course