Information on resource 'NDC - Nasa Dust Catalogue'

Dust grains have been collected on January-February and June-July 1994, during 51.8 hours of stratospheric (20 km of altitude) exposure, with large area (300 cm2) dust collectors mounted on a NASA ER-2 aircraft. The grains have been analyzed with a scanning electron microscope, equipped with a Si(Li) detector and PGT 4000T analyzer for X ray energy-dispersive spectrometry. A spectrum in the 0-10 KeV range for each particle has been obtained and its picture (not its data) published.

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