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How long is the crux constellation?

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Anonymous

14y ago
Updated: 8/19/2019

The Crux or Southern Cross constellation is made up of four stars which can be joined in such a way, by an observer on earth, to make a cross shape. Although the smallest constellation, it is one of the most distinctive, appearing on both the New Zealand and Australian national flag.

In the sky, it is not very long, maybe just as long as the width of the thumb at arms length. In real terms the distance between the top of the cross (a star called Gacrus) and the bottom of the star (Acrux) is huge. Gacrus is 88 lightyears from earth, while Acrux in over 320 lightyears from us, so a distance of about 230 lightyears separates them. The other two main stars in the constellation are around the same distance as Acrux, 353 and 364 lightyears.

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14y ago

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