De nombreux astronautes rapportent une dégradation de leur vision en microgravité. Les chercheurs tentent d'aller au fond de ce phénomène avant que les astronautes ne se rendent sur Mars et au-delà. Rendez-vous sur http://science.nasa.gov/ pour en savoir plus. http://www.nasa.gov/station http://www.nasa.gov/mission_pages/station/research/experiments/204.html Cliquez ici pour voir plus de vidéos : https://alugha.com/NASA
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Visit http://science.nasa.gov/ for more. Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet. Click here to see more videos: https://al
Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste
