Tempête du Dragon

Cet article est une ébauche concernant l’astronomie.

Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants.

Pour les articles homonymes, voir Tempête (homonymie).

La tempête du Dragon (Dragon Storm en anglais, terme inventé par la NASA lors de sa découverte en raison de sa forme inhabituelle) est une tempête de convection de très grande ampleur de longue durée qui a été observée dans l'hémisphère austral de Saturne le 15 septembre 2004 par la sonde Cassini. Cette tempête semble s'être déclarée depuis longtemps : périodiquement des éclairs spectaculaires émettent des colonnes blanches, qui ne sont détectables que lorsque la tempête passe du côté sombre de Saturne (ils sont indétectables sous la lumière du soleil). Elle est également une source importante de rayonnement radio^[1].

Source

(es) Cet article est partiellement ou en totalité issu de l’article de Wikipédia en espagnol intitulé « Tormenta Dragón » (voir la liste des auteurs).

Notes et références

↑ (en) The Dragon Storm, sur le site de la NASA (archive du 17 avril 2018, consultée le 21 novembre 2024)

v · m

Système saturnien

Saturne

Atmosphère Magnétosphère
Grandes taches blanches	1876 1903 1933 1960 1990 1994 2006 2010
Autres	Hexagone Tempête du Dragon

Anneaux, divisions et lacunes

Satellites

S/2009 S 1 Pan Daphnis Atlas Prométhée Pandore Épiméthée Janus Égéon Mimas Méthone Anthée Pallène Encelade Téthys Télesto Calypso Dioné Hélène Pollux Rhéa Titan atmosphère Hypérion Japet Kiviuq Ijiraq Phœbé Paaliaq Skathi Albiorix S/2007 S 2 Bebhionn Erriapus Skoll Siarnaq Tarqeq S/2004 S 13 Greip Tarvos Hyrrokkin Mundilfari Narvi Jarnsaxa S/2006 S 1 S/2004 S 17 Bergelmir Ægir Suttungr S/2004 S 12 Bestla Farbauti Hati S/2004 S 7 Thrymr S/2007 S 3 S/2006 S 3 Surtur Kari Fenrir Ymir Loge Fornjot Gridr S/2004 S 21 Angrboda Skrymir S/2004 S 24 Gerd Saturne LVIII Eggther S/2004 S 28 Saturne LX Beli S/2004 S 31 Gunnlod Thiazzi Saturne LXIV Alvaldi S/2004 S 36 S/2004 S 37 Geirröd S/2004 S 39 S/2019 S 1 S/2020 S 1 S/2006 S 9 S/2007 S 5 S/2004 S 40 S/2019 S 2 S/2019 S 3 S/2020 S 2 S/2020 S 3 S/2019 S 4 S/2004 S 41 S/2020 S 4 S/2020 S 5 S/2007 S 6 S/2004 S 42 S/2006 S 10 S/2019 S 5 S/2004 S 43 S/2004 S 44 S/2004 S 45 S/2006 S 11 S/2006 S 12 S/2019 S 6 S/2006 S 13 S/2019 S 7 S/2019 S 8 S/2019 S 9 S/2004 S 46 S/2019 S 10 S/2004 S 47 S/2019 S 11 S/2006 S 14 S/2019 S 12 S/2020 S 6 S/2019 S 13 S/2005 S 4 S/2007 S 7 S/2007 S 8 S/2020 S 7 S/2019 S 14 S/2019 S 15 S/2005 S 5 S/2006 S 15 S/2006 S 16 S/2006 S 17 S/2004 S 48 S/2020 S 8 S/2004 S 49 S/2004 S 50 S/2006 S 18 S/2019 S 16 S/2019 S 17 S/2019 S 18 S/2019 S 19 S/2019 S 20 S/2006 S 19 S/2004 S 51 S/2020 S 9 S/2004 S 52 S/2007 S 9 S/2004 S 53 S/2020 S 10 S/2019 S 21 S/2006 S 20
Non confirmés (possiblement des agrégats de poussière)	S/2004 S 3 S/2004 S 4 S/2004 S 6 S/2001 S 4 S/2001 S 7
Satellites à hélice	~ 150 dont (noms informels) : Blériot Curtiss Earhart Hinkler Kingsford Smith Lindbergh Post Richthofen Santos-Dumont Sikorsky Wright Peggy
Inexistants	Chiron Thémis

Exploration

Programme Voyager
- Voyager 1
- Voyager 2
Cassini-Huygens
- Cassini
- Huygens

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