Miscellany

*Star Flash

Light Echoes from V838 Mon , NASA

This is Hubble’s view of a stellar flash that suddenly appeared, with no explanation, in January 2002. And just as suddenly it disappeared. It isn’t a supernova or a nova, what it is–nobody knows. But it’s beautiful and astonishing and it is in our own milky way, about 20,000 light years from here. (More detail here.)

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