ridges

Multibeam bathymetry shows the morphology of a section of the Southeast Indian Ridge south of Australia. New research finds that highly variable seafloor morphology is controlled by changes in magma supply along the axes of mid-ocean ridges. Credit: Ross Parnell-Turner At nearly 65,000 kilometers long, the mid-ocean ridge system is the longest mountain range in the world. Running beneath the ocean's surface, mid-ocean ridges…

What appear to be ripples of blue sand dusting the Martian landscape make the Red Planet appear even more alien than usual.The striking coloration is not, however, what it seems. To see the true beauty, you need to look a little deeper than its make-up.  Imaged by NASA's Mars Reconnaissance Orbiter earlier this year, the scenery was processed in what is called 'false color', transforming subtly distinct wavelengths of light into spectacular palettes we can't help but distinguish.This enhancement looks spectacularly…