article_snippet.sent: Curiosity Rover has discovered strange, multi-coloured veins on Mars that could give astronomers new insights into the red planet's watery past.
article_snippet.sent: This March 18,  view from the Mast Camera on Curiosity Rover shows a network of two-tone mineral veins.
article_snippet.sent: While Curiosity has found brightly coloured veins before, the darker ones remain have stumped scientists. '
article_snippet.sent: This view from the Mars Hand Lens Imager on the arm of Curiosity rover is a close-up of a two-tone mineral vein at a site called 'Garden City' on lower Mount Sharp.