Some recent results of collection experiments in the upper atmosphere by rocket techniques, by balloon collections in the intermediate atmosphere, and by recoverable satellites in near-earth space are described. Evidence is presented for the existence of relatively high and variable fluxes of submicron particles entering the atmosphere. These submicron-particle collections are consistent with implications from zodiacal light studies, provided the particles have a solar origin and are drifting outward with a constant radial velocity. A simple estimate suggests that these particles, by virtue of their refractory nature, can survive ejection from the sun near sunspots.
Collections of cosmic dust
1975-01-01
Miscellaneous
No indication
English
New Initiatives for the NASA Cosmic Dust Collections
NTIS | 2022
|High Altitude Balloon-top Collections of Cosmic Dust
NTRS | 1966
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