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On the gradient of zodiacal light with heliocentric distance |
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| Authors: | R. Dumont |
| Affiliation: | Observatoire de Bordeaux, 33270 Floirac, France |
| Abstract: | Space density of interplanetary dust grains is directly related to the gradient of zodiacal light observed, at constant elongation ?, by a space photometer moving and aiming in the symmetry plane of the solar system. |
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