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If an unknown large meteor or asteroid were on a collision course with Earth, NASA chief Charles Bolden told a US House of Representatives Science Committee hearing Tuesday, then praying is all America or anyone else could do. Events in Russia last month have reignited concern about the threat civilization on Earth faces from asteroids. On February 15, a meteoroid estimated...
An aerial meteorite explosion has wreaked havoc in Russia’s Urals. The blast caused widespread panic, damaged buildings, blew out thousands of windows and lead hundreds to seek medical attention for minor injuries. The incident was caused by a bolide, scientists said. Multiple dashboard videos appeared online, showing huge fireballs flying over buildings and exploding with a strong blast as the...
China’s rapidly-expanding rival to GPS, called BeiDou, has become available to customers across Asia-Pacific for the first time. It aims to claim a fifth of the satellite services market in the region in just three years. Previously, the satellite constellation was only used by the country's military and government services. Now, it is being commercialized. “The services now available include positioning,...