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Showing 201-218 of 218 results
  1. Sur les solutions périodiques du mouvement plan de libration des satellites et des planètes

    This paper presents an analytical study of the rotational motion of the satellites (and the planets) in their orbital planes. The three families of...

    Nguyen X. Vinh in Celestial mechanics
    Article 01 November 1973
  2. Détermination des masses des planétes

    Jean Kovalevsky in Celestial mechanics
    Article 01 October 1971
  3. Normalisation des systèmes linéaires canoniques et application au problème restreint des trois corps

    An algorithm is given for normalizing conservative linear Hamiltonian systems. This one generalizes Siegel's method to the cases where the...

    Jacques Roels, Georges Louterman in Celestial mechanics
    Article 01 March 1970
  4. Étude hydrodynamique du grand jet coronal ne observé à l'éclipse du 7 Mars 1970

    A Hydrodynamical Study of the Large NE Coronal Streamer Observed during the 7th March Eclipse.

    The photometry of the large coronal streamer located on...

    S. Koutchmy in Solar Physics
    Article 01 June 1972
  5. Spectres auroraux

    The paper presents a review of the main spectroscopic studies of polar aurora accomplished during the past eight years.

    In a first part, the few new...

    A. Monfils in Space Science Reviews
    Article 01 December 1968
  6. Étude photométrique des structures fines de la pénombre d'une tache solaire

    The microphotometric analysis of the fine structure of a sunspot penumbra, photographed in white light with the 38 cm refractor of the Pic du Midi...

    R. Muller in Solar Physics
    Article 01 October 1973
  7. Quelques effets de l'interaction des centres actifs solaires

    Following the study of anomalies in spot groups correlated to the existence of an older active center (A.C.) in the same region, we compared the...

    M. -J. Martres in Solar Physics
    Article 01 February 1970
  8. Sur une particularité de la composante π du triplet normal dans l'ombre d'une tache

    Sometimes the π component of a normal triplet in the umbra of sunspots, observed with a quarter plate analyser, seems to be analysed. We explain this...

    J. C. Henoux in Solar Physics
    Article 01 July 1968
  9. Géodésie terrestre et géodésie par satellites

    In the first part of the paper some of the most important concepts used in terrestrial and satellite geodesy are defined and discussed.

    ...

    J. Kovalevsky, F. Barlier in Space Science Reviews
    Article 01 August 1967
  10. La Rotation, La Cartographie et La Photometrie des Satellites de Jupiter

    Les 4 satellites galiléens de Jupiter ont été observés fréquemment depuis 20 ans avec les télescopes à haute résolution du Pic-du-Midi. Des...
    Audouin Dollfus, John B. Murray in Exploration of the Planetary System
    Chapter 1974
  11. Etude Theorique de la Repartition de Luminance Sur le Disque de Venus

    The analysis of the sunlight scattered by Venus gives some insight upon its clouds. The measurements of polarized light are probably more sensitive...
    C. Bigourd, J. L. Deuze, ... J. Lenoble in Exploration of the Planetary System
    Chapter 1974
  12. Phase Métallique des Météorites Pierreuses

    Une étude systématique des pouvoirs réflecteurs (PR) et des compositions chimiques des minéraux de la phase métallique dans des météorites pierreuses...
    R. Cayé, R. Giraud, A. Sandrea in Meteorite Research
    Conference paper 1969
  13. Étude Minéralogique De La Chondrite C III De Lancé

    Cette météorite est formée, d’une part, de chondres et de fragments cristallins assez hétérogènes et n’ayant presque pas subi de modifications depuis...
    M. Christophe Michel-Lévy in Meteorite Research
    Conference paper 1969
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