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THEORIE JEANS-JEFFREYS [1 record]
Record 1 - internal organization data 2005-12-01
Record 1, English
Record 1, Subject field(s)
- Theoretical Astronomy
Record 1, Main entry term, English
- Jeans-Jeffreys tidal theory 1, record 1, English, Jeans%2DJeffreys%20tidal%20theory
Record 1, Abbreviations, English
Record 1, Synonyms, English
- Jeans-Jeffreys theory 2, record 1, English, Jeans%2DJeffreys%20theory
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
For the early decades of the century the Jeans-Jeffreys tidal theory of planet formation via close stellar encounters predicted that planets should be very rare. 1, record 1, English, - Jeans%2DJeffreys%20tidal%20theory
Record number: 1, Textual support number: 1 OBS
Tidal theories (1916-18) of Harold Jeffreys and James Jeans suggested that a star grazed the Sun, drawing out into solar orbit a cigar-shaped filament of material that fragmented to form the planets: the larger planets - Jupiter and Saturn - condensed from the thicker central regions of the filament. 3, record 1, English, - Jeans%2DJeffreys%20tidal%20theory
Record 1, Key term(s)
- Jeans Jeffreys tidal theory
Record 1, French
Record 1, Domaine(s)
- Astronomie théorique
Record 1, Main entry term, French
- théorie Jeans-Jeffreys
1, record 1, French, th%C3%A9orie%20Jeans%2DJeffreys
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
La théorie JEANS-JEFFREYS, d'abord annoncé par CHAMBERLIN et MOULTON, suppose que le soleil a été dépourvu d'une petite partie de son enveloppe par l'attraction d'une étoile passant au voisinage et beaucoup plus grosse. La masse de gaz, trop tardivement arrachée pour s'agglutiner à l'étoile qui s'éloignait à grande vitesse, et trop allongée (en forme de filament) pour être entièrement réattirée par le Soleil, se condensa par points (chaleur de radiation faisant passer les grosses planètes de l'état gazeux à l'état liquide, les petites planètes se refroidissant adiabatiquement, mais de toute façon, en passant par un stade liquide). 1, record 1, French, - th%C3%A9orie%20Jeans%2DJeffreys
Record 1, Spanish
Record 1, Textual support, Spanish
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