Anomalous White Dwarfs: Largest Collection Of White Dwarfs Made Of Helium Discovered

Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are made of helium rather than the usual carbon and oxygen. These helium-core white dwarfs may have had their lives cut short because of their orbital dance around a partner star.

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