spherules

Eye on “Bounce”

This mosaic, created from four images taken by NASA's Mars Exploration Rover Opportunity's microscopic imager, outlines the target on 'Bounce'…

Discovery Served Up in a Bowl

This image from NASA's Mars Exploration Rover Opportunity's panoramic camera is an approximate true-color rendering of the exceptional rock called…

‘Berries’ Here, There, Everywhere

This image suggests that the plains beyond the small crater where NASA's Mars Exploration Rover Opportunity now sits are littered…

‘Blueberry’ Triplets Born in Rock

This microscopic image, taken at the outcrop region dubbed 'Berry Bowl' near NASA's Mars Exploration Rover Opportunity's landing site, shows…

‘Berries’ and Rock Share Common Origins

This image, taken at a region of the rock outcrop dubbed 'Shoemaker's Patio' near NASA's Mars Exploration Rover Opportunity's landing…

Which Came First? Vug or Spherule?

NASA's Mars Exploration Rover Opportunity shows a close-up of the region dubbed 'El Capitan,' which lies within the rock outcrop…

Larger Grains Suggest Presence of Fluid

NASA's Mars Exploration Rover Opportunity shows an extreme close-up of the 'El Capitan' region, part of the rock outcrop at…

Speckled with Spherules

This false-color image (purple surface and blue rock) taken by NASA's Mars Exploration Rover Opportunity highlights the spherules, or tiny…