The US space agency, “NASA”, published, on Monday, through its official account on the social networking site “Instagram”, a stunning new image of a volcanic crater on the surface of Mars, which has a “secret meaning”.
And the US agency wrote: “The crater of Mars marks the place… You are looking at a longitude of 0 degrees on the surface of Mars, equivalent to the Greenwich Observatory on the Red Planet.”
She pointed out that the Greenwich Observatory is located in the Greenwich area, southwest of London, and is stationed in a tower located on a hill in Greenwich Park, overlooking the River Thames, explaining that it is an imaginary line that divides the globe into eastern and western parts.
She noted that “the Greenwich Observatory determines the meeting place of the East and the West, as well as using it as a zero reference line for astronomical observations.”
She pointed out that the shared image shows a large volcano crater inside a second rocky basin, called the “Airi crater”.
“Airi crater originally set the zero longitude of Mars, but with higher-resolution images available, a smaller feature was needed,” she added.
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The smaller crater, named Airy-Zero, was identified by the US space agency as the main meridian, as current maps did not change.
At the conclusion of the publication, NASA explained that it had captured this image using the High Resolution Imaging Science Experiment (HiRISE), on the Mars Exploration Orbiter.
The image that NASA shared on Instagram has garnered a great deal of interaction, with more than 450,000 likes so far.