| | A video still from a computer model simulating an interaction between the Small and Large Magellanic Clouds, starting 1 billion years ago. The video shows a collision about 100 million years ago. Image via G. Besla/University of Arizona/ University of Michigan. | | |
Good morning! Large and Small Magellanic Clouds collided! | | Star motions in the Small Magellanic Cloud - as revealed by the Gaia space observatory - confirm that this small satellite galaxy of our Milky Way collided in the past with its larger neighbor. Read more. | | |
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Why don't Europa's plumes have heat signatures? | | Europa has been thought to have water vapor plumes similar to those on Saturn's moon Enceladus. But new research shows Europa's plumes differ significantly from those on Enceladus, or perhaps don't exist at all. Read more. Artist’s concept of a water vapor plume on Europa, via NASA/ESA/K. Retherford/SwRI. | | |