A brown dwarf is an astronomical object that is an intermediate between a planet and a star. A team of astronomers has discovered a rare pair of brown dwarfs that has the widest separation of any brown dwarf binary system found to date.
China’s first Mars rover has driven down from its landing platform and is now roaming the surface of the red planet, China’s space administration said Saturday
NASA is sharing sounds of its little helicopter humming making its fifth test flight, a short one-way trip to a new airfield through the thin Martian air
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