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EntertainmentThe 'fire circle' was discovered 11 billion light-years from Earth
In the data of more than 4,000 detected galaxies, R5519 emits strong light and has the clearest ring structure.The galaxy is 600 million light-years from Earth
The origin of Hoag, the galaxy with a special shape, has been a mystery of science for nearly 70 years.
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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