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Artículos sobre Mars

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A panorama stitched together from about 100 individual Curiosity images. The ‘door’ is circled, and is tiny and hard to see at this scale. NASA/JPL-Caltech/MSSS

A ‘doorway’ on Mars? How we see things in space that aren’t there

We should not be surprised that some of the innumerable rocks on Mars have weird shapes, because many have been sand-blasted by wind erosion for billions of years.
Sand blown by wind into ripples within Victoria Crater at Meridiani Planum on Mars, as photographed by NASA’s Mars Reconnaissance Orbiter on October 3, 2006. NASA/JPL-Caltech/University of Arizona/Cornell/Ohio State University

What’s it like to be on Venus or Pluto? We studied their sand dunes and found some clues

There are many bodies in the solar system we can’t easily access. But observations of their winds and sediments reveal a surprising amount.
An artist’s concept of an astronaut walking on Mars. But what would happen if the astronaut weren’t wearing a space helmet? cokada/E+ via Getty Images

Could people breathe the air on Mars?

Mars is the fourth planet from the Sun and one of our closest neighbors in space. But it’s not a very welcoming place for an Earthling to visit.

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