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EntertainmentUnmanned cargo ship Cygnus self-destruct after leaving ISS
On August 17, Cygnus Unmanned Commercial Spacecraft of Orbital Sciences Group (USA) burned and destroyed itself as planned when returning to Earth's atmosphere.Cygnus private transport vessel leaves the International Space Station
All images of Cygnus's activities were broadcast live on NASA television.
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Why did the ancient Babylonian civilization perish? Was it because they considered 'that thing' a daily meal?
Just discovered a 72km 'tear in the Earth', the world's second largest country is in fear of a tsunami attack
Top 7 facts about the hottest place in the world, where you can fry eggs at outdoor temperature
The Qing Dynasty collapsed, what surname did 20,000 royal descendants change to to integrate into the new era?
After 389 days in the Arctic, costing more than $160 million, hundreds of scientists brought back bad news: What was it?
How long does it take to fall in love with someone?
How much silver has ever been discovered in the world?
How does an atomic bomb work?
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