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PERSEUS ARM [1 record]

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Record 1 2011-09-23

English

Subject field(s)
  • Astronomy
OBS

The "Perseus arm" was so named by Morgan because it contains the double cluster in Perseus. Outside the first arm, it passes about 2,100 parsecs from the sun. Emission nebulae are less conspicuous in this arm and probably would be difficult to trace in any arm outside it.

French

Domaine(s)
  • Astronomie
OBS

Dans la partie de la Galaxie où se trouve le Soleil, il y a plusieurs bras spiraux le long desquels se situent les amas de jeunes étoiles et les nuages de gaz et de poussière interstellaire [...]. Les étoiles chaudes de l'Orion forment ce qu'on appelle le bras d'Orion, avec à son bord le Soleil. On a découvert deux autres bras, ceux de Persée, plus éloigné du centre galactique, et de Sagittaire qui se trouve plus près du centre.

Spanish

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