Why Does Betelgeuse Dim? This orange-red picture shows the star Betelgeuse, as witnessed by ...

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The Cat’s Paw Nebula The Cat’s Paw nebula from the Spitzer Infrared Space Telescope ...

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The Electric Force The electric charge unit is the Coulomb, C. Ordinary matter consists ...

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The Higgs Boson - Is It Real? The Higgs boson was apparently found using the ...

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The Failure of the Nebular Hypothesis The nebular hypothesis: the Solar System formed out of ...

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Do we have a Thermonuclear Sun? Spectrography tells us that the Sun’s composition is ...

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