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Old supernova dust factory revealed at the Galactic center

Morris, M. R.; Lau, R. M.; Herter, T. L. +2 more

Dust formation in supernova ejecta is currently the leading candidate to explain the large quantities of dust observed in the distant, early universe. However, it is unclear whether the ejecta-formed dust can survive the hot interior of the supernova remnant (SNR). We present infrared observations of ~0.02 solar masses of warm (~100 kelvin) dust s…