File:Nanotyrannus lancensis, moulage de crâne 2, exposition Un T-Rex à Paris, Muséum national d'histoire naturelle.jpg
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[edit]DescriptionNanotyrannus lancensis, moulage de crâne 2, exposition Un T-Rex à Paris, Muséum national d'histoire naturelle.jpg |
Français : Moulage du crâne d'un Nanotyrannus lancensis (dinosaure, tyrannosauridé).
Provenance : Sand Creek, Carter County, dans le Montana, aux Etats-Unis. Date : Crétacé supérieur, période du Maastrichtien, il y a 67 millions d'années. Exposé à l'occasion de l'exposition "Un T-Rex à Paris" au Muséum national d'histoire naturelle de Paris (France) du 6 juin au 2 septembre 2018. Légende de l'objet dans cette exposition : "Espèce à part entière ou crâne d'un jeune Tyrannosaurus rex ? La controverse dure depuis 30 ans. Pour certains paléontologues, quelques particularités anatomiques et le degré de fusion des os du crâne suggèrent que ce crâne appartiendrait à une espèce naine (6 mètres de long) de tyrannosauridé. Pour les autres, il ne s'agit que d'une forme juvénile de Tyrannosaurus rex. L'étude de spécimens inédits devrait bientôt permettre de résoudre cette énigme." |
Date | |
Source | Own work |
Author | Eunostos |
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current | 10:58, 23 July 2018 | 4,128 × 3,096 (5.11 MB) | Eunostos (talk | contribs) | {{Information |description ={{fr|1=Moulage du crâne d'un Nanotyrannus lancensis (dinosaure, tyrannosauridé). Provenance : Sand Creek, Carter County, dans le Montana, aux Etats-Unis. Date : Crétacé supérieur, période du Maastrichtien, il y a 67 millions d'années. Exposé à l'occasion de l'exposition "Un T-Rex à Paris" au Muséum national d'histoire naturelle de Paris (France) du 6 juin au 2 septembre 2018. Légende de l'objet dans cette exposition : "Espèce à part entière ou crâne d'un jeune... |
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Exposure time | 1/17 sec (0.058823529411765) |
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F-number | f/1.9 |
Date and time of data generation | 10:46, 29 June 2018 |
Lens focal length | 3.6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 10:46, 29 June 2018 |
Y and C positioning | Centered |
Date and time of digitizing | 10:46, 29 June 2018 |
Meaning of each component |
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APEX aperture | 1.85 |
APEX brightness | −2.56 |
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Maximum land aperture | 1.85 APEX (f/1.9) |
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DateTimeDigitized subseconds | 0376 |
Supported Flashpix version | 1 |
Color space | sRGB |
Exposure mode | Auto exposure |
Scene capture type | Standard |
Unique image ID | Y13LLKA00AM Y13LLKF01AA |