Home » The spectacular 3D photos of Mars taken by the NASA rover

The spectacular 3D photos of Mars taken by the NASA rover

by archyw

L’Mars exploration by the rover Perseverance officially started in February 2021 and will continue for years to come, but from the soil of the Red Planet it’s years to come spectacular images at a rapid pace also by its predecessors. NASA has decided to compile an unpublished catalog, also composed of images of the visible surface in three dimensions, which give an idea of ​​the vastness of the desolate landscape in which the Perseverance drone now finds itself fulfilling its mission. The latest comes from the rover that landed a few months ago and portrays another artificial tenant on the planet: the Ingenuity drone, which made its first flight in April taking off from Martian soil.

How 3D photos of Mars work

The photos are on the NASA site dedicated to the Martian missions, and recall the images of these ancient three-dimensional content with cyan and magenta outlines to do with special colored glasses. Particularly in vogue in the 1980s, this technique of three-dimensional image representation is based on color filters that show a different perspective for each eye viewing the image, all encoded into a single photo that – without glasses – seems confusing and almost out of the ordinary. of concentration. The principle was readapted decades later in a more sophisticated way in the early 2000s – with more elaborate filters provided at the entrance to theaters and even alongside high-end televisions – but it’s the same: show each eye a different image.

Because we see the images in 3D

The system is based on how we perceive the environment that surrounds us in the real world: Since our eyes are only a few inches apart, the images we perceive are also slightly different. Mix them up and give them depth is a task for the brain, which in the case of 3D photos is required to show him two slightly different images. 3D photos of Mars have been captured like this by the Perseverance rover and the Ingenuity drone in recent weeks. The two slightly offset viewpoints allow you to observe the captured panorama in three dimensions even when it is represented on a flat screen.

To create glasses suitable for viewing this content, you just need to have them available red and blue cardboard and cellophane; the guide on the NASA website contains all the necessary instructions for making from these materials.

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