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EntertainmentThe universe has just been shaken by something terrible like never before.
A shock waveThe two groups of galaxies are 100 trillion times the mass of the Sun
The scientists observed two groups of galaxies rushing at each other at 4.6 million kilometers per hour, preparing to form a large cluster.
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Why have there never been any bird droppings on the roofs of the Forbidden City in the past 600 years?
After being continuously heated for 270 days at over 1,000 degrees Celsius, the GRX-810 material remained unharmed: What is the secret?
The loneliest robot in the universe - 'real-life WALL-E': 15 years wandering in endless space.
Debunking Space Myths: Questions Surrounding Nebulae!
14 of the most powerful armies in ancient world history.
12 of the most terrifying venomous spiders to humans.
10 harmful effects of eating dog meat that not everyone knows about.
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