Titlebook: Dusty Objects in the Universe; Proceedings of the F E. Bussoletti,A. A. Vittone Conference proceedings 1990 Kluwer Academic Publishers 1990

現(xiàn)存

食料

When Will a Repost Cascade Settle Down?We are investigating a variety of cosmic materials (meteorites, Brownlee particles, ‘synthetic’ dusts etc.) using synchrotron radiation. Some preliminary results using the . and X-ray diffraction techniques are described.

充足

When Will a Repost Cascade Settle Down?Astronomical data relating to emission, absorption and polarization properties of interstellar dust in the mid-infrared spectral region point to a composite mineral-organic grain model with overall mass proportions consistent with cosmic abundances.

FUSC

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