The hottest day on Mars is 20 degrees Celsius at the equator. The night can go up to minus 153. The latter is characterized by strong dust storms. The surface appears to be dry but water is expected to flow...
A giant laboratory, weighing about 85 elephants and the size of a large football field, orbits the earth at an altitude of 400 km above our heads. The time it takes for this laboratory to orbit the Earth is just...
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