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See other posts from March 2012

Headshot of Emily Lakdawalla

Pretty pictures: Voyager 2 at Jupiter

Posted By Emily Lakdawalla

2012/03/02 01:22 CST

Topics: Europa, pretty pictures, amateur image processing, Voyager 1 and 2, Jupiter

My most recent Snapshots from Space video discussed the forgotten treasures just waiting in the NASA data archives for skilled image processors to turn into lovely photos. Here are two perfect examples of that, made by Daniel Macháček from data returned by Voyager 2 during its approach to Jupiter.

The first is just plain cute: Europa playing coy, disappearing behind Jupiter's limb. Even at the relatively low resolution of this view, taken six days before Voyager 2's closest approach to the king of planets, you can detect the linea that seam Europa's surface.

Europa peeks from behind Jupiter

NASA / JPL / Daniel Macháček

Europa peeks from behind Jupiter
On July 3, 1979, as Voyager 2 approached Jupiter, it caught Europa coyly ducking behind Jupiter's dark limb.

This next one is turbulent and gorgeous. I especially like the little black dot at far right, which appears to be the eye of a small storm. From top to bottom, the image spans about 12,000 kilometers -- the diameter of Earth. That's not a small storm, is it?

Swirling clouds in Jupiter's north

NASA / JPL / Daniel Macháček

Swirling clouds in Jupiter's north
A mosaic of four Voyager 2 frames on Jupiter's northern hemisphere, captured on July 9, 1979, is filled with detail of swirling storms and turbulent belts.

Are you curious to peek into the treasure chamber from which Daniel retrieved these images? Here's a link to some search results using the search tool at the Rings Node of NASA's Planetary Data System. I asked it to show me all images returned by Voyager 2 between July 3 and 9, 1979. There are 4,131, and the Rings Node presents them color-coded according to which filter Voyager 2 had placed in front of its camera. Check them out and watch Jupiter and its moons grow and suddenly, as Voyager 2 passes its point of closest approach, become rapidly receding crescents. Awesome. The data are more than 30 years old and can still inspire.

 

Read more blog entries about: Europa, pretty pictures, amateur image processing, Voyager 1 and 2, Jupiter

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