单词 | Almach |
释义 | Almachnoun Al·mach ˈȯl-ˌmäk ˈäl-, ˈal-, -ˌmak astronomy : a group of stars of the second magnitude that is seen in the constellation of Andromeda The double star, known as Almach, reveals a brilliant contrast of color between the two stars. called also Gamma Andromedae Note: What is visible in the night sky as the star Almach is actually a group of four separate stars: one large star and a second group of three much smaller stars, bound together gravitationally. |
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