Usually, when a star goes supernova, the core collapses in less than a second, the shockwave hits several hours later, and peak brightness is reached in a few months.

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Everyone is familiar with the well-known mirage of an oasis in the desert. It has even become a common trope in media for the main character to be stranded and see a lake of water in the distance. However, when they arrive, they find nothing but more sand.

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