En astronomie observationnelle, une étoile double est une paire d'étoiles qui apparaissent comme proches l'une de l'autre dans le ciel, lorsqu'on les observe depuis la Terre, à travers un télescope optique.
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FR
En astronomie observationnelle, une étoile double est une paire d'étoiles qui apparaissent comme proches l'une de l'autre dans le ciel, lorsqu'on les observe depuis la Terre, à travers un télescope optique.
Wikipedia
En astronomie, une étoile binaire ou binaire, appelée aussi système binaire ou étoile double physique, est un type de système binaire composée de deux étoiles orbitant autour d'un centre de gravité commun.
Wikipedia
Un système de deux étoiles tournant autour de leur centre de gravité commun.
Wikipedia Disambiguation
Étoile à neutrons, étoile variable, étoile à battements de cœur, etc., sont des types particuliers d'étoiles.
Wikipedia Disambiguation
Paire d'étoiles qui apparaissent proches dans le ciel
Wikidata
Étoile multiple composée de deux étoiles orbitant autour d'un centre de gravité commun
Wikidata
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