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EntertainmentThe culprit can cause cosmic rays to bombard the Earth
Black holes can tear up a white dwarf star, creating high-energy cosmic rays and neutrinos rushing towards Earth.Video: The moment the super black hole ripped and swallowed a star
Video published by the US Aeronautics Agency (NASA) shows the moment a star is several million times bigger than the Sun's black hole ripping and swallowing.
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Xinjiang - The Unincorporated Area in China
How many days on Earth is one day on the Moon?
Hubble telescope captures image of 'bridge' connecting two galaxies
Why is interstellar travel impossible today?
When cattle in a herd are attacked, why don't the others help?
In ancient times, there was no market in the palace, so where did the concubines spend their monthly money?
Ancient Diaries Reveal the Construction of the Great Pyramid of Giza
Discovery of mysterious dwarf planet beyond Neptune stuns astronomers
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