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EntertainmentBlack holes may have grown differently when the universe was 'younger'
Black holes can grow in two ways, they will merge with other black holes or they devour surrounding materials.Observe the black hole with the naked eye
The only device to observe an active black hole near the Earth is a 20cm diameter telescope.
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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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