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What Are Skyrmions?

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A skyrmion can be described as a swirling quasi-particle, a knot of twisting field lines, or a subatomic hurricane. They’re also one of the most difficult physics concepts for humans…

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The Apollo 11 Mission

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NASA’s Apollo 11 mission comes to life in 19,000 hours of newly available audio. Over the eight-day, 3-hour Apollo 11 mission, astronauts Neil Armstrong, Buzz Aldrin and Michael Collins stayed in constant communication…

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Milky Way Galaxy

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The Milky Way is a barred spiral galaxy with a diameter between 150,000 and 200,000 light-years (ly). It is estimated to contain 100–400 billion stars and more than 100 billion…

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