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See Explanation. Clicking on the picture will download the highest resolution…

See Explanation. Clicking on the picture will download the highest resolution…

à partir de NASA

Begins Testing of Revolutionary E-Sail Technology

Testing has started at NASA’s Marshall Space Flight Center in Huntsville, Alabama, on a concept for a potentially revolutionary propulsion system that could send spacecraft to the edge of our solar system, the heliopause, faster than ever before.

Sunrise on Mars (NASA)

Celestial Emissions - Eta Carina Nebula

à partir de Bloglovin’

Dark Sand Cascades on Mars (Astronomy Picture of the Day RSS Feed)

Dark Sand Cascades on Mars

The Crown of the Sun Credit & Copyright: Alain Maury, Jean-Luc Dauvergne