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f you’ve ever read anything about cosmology, you’ll have come across an astonishing statistic: all the matter around us, everything we see and touch, every star and gas cloud and planet, makes up just

Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s

Neutron stars can suffer quakes far more powerful than anything on Earth

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