Astro QOTD
Today's quiz: Why are extremely large stars of a million or so solar masses thought to have been possible in the early universe but not today?
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Now my own suspicion is that the Universe is not only queerer than we suppose, but queerer than we can suppose..............J.B.S. Haldane ............................................................................................................ Quantum Mechanics is not only stranger than you imagine, but stranger than you can imagine ............(a version attributed to Richard Feynman)