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Nature 223, 459-462 (2 August 1969) | doi:10.1038/223459a0; Received 16 May 1969

Interstellar Grains

F. HOYLE & N. C. WICKRAMASINGHE

  1. Institute of Theoretical Astronomy, Cambridge
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Interstellar grains may be a mixture of graphite particles formed in carbon stars and of silicates in oxygen-rich giants. The astrophysical consequences of such a grain mixture are examined.