Large streak of 'blue' found on the Red Planet

Large streak of 'blue' found on the Red Planet

MARS is universally known as the Red Planet, but a stunning photograph released by United States space agency NASA has revealed the complexities of its colour palette. However, things might not change after NASA managed to obtain some interesting pictures from one of its orbiters.

The Hubble Telescope has captured some incredible images from space, but the new image from the Mars Reconnaissance Orbiter's HiRISE camera looks like a piece of surrealist art, etched in sand: the photo seems to show a bright blue sand dune shaped like a ragged piece of cloth.

" This certain dune, resembling blue-green blue in improved shade, is made from finer product and/or has a various make-up compared to the bordering" sand, NASA authorities created lately in a summary of the image, which MRO broke utilizing its HiRISE (High Resolution Imaging Scientific research Experiment) video camera on January 24. HiRISE principal investigator Alfred McEwen, a planetary geologist at the University of Arizona, told the website Inverse, "The dunes are actually gray, but appear relatively blue after such a stretch, because most of Mars is red".

In fact, orbiters do not touch the surface of a planet, like rovers do.

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The blue sand dune is technical gray, but an editing process makes colors and lines standout. The reason for that shape is because they face the wind.

HiRISE takes three different images of the same area, then adjusts them in red, blue, and green using infrared tech. It appears nearly as if it is a lagoon surrounded by ripples of gray sand. This is because it's made of something else than the surroundings.

The dune was spotted on Mars' Lyot Crater region and researchers suspect it might be made of "finer material" than neighbouring dunes, according to a statement from the space agency. NASA has no answer yet as to why the blue dune is more abstract than others, though.

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