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Free topic! - Crux Or Southern Cross

In this free topic I would like to show you my favorite constellation. Of the 88 constellations in the sky my favorite one is “Crux” called also “Southern Cross” in English o “Cruz del Sur” in Spanish. I love the apparent simplicity of this one, because many of the others constellations in the sky are composed of multiple stars and the polluted atmosphere of Santiago de Chile makes difficult to appreciate all their complexity. In the other hand “Crux” is always visible at night.

His name comes from the fact that this constellation its always pointing with one of his most brilliant stars to the south. This was helpful for travelers and sailors in the time when Europe expands his frontiers to the new world, America. “αCrux”, the star we see pointing south, it’s a system of orbiting stars -Just imagine suns orbiting around suns! So beautiful!

The anatomy of Crux its quite simple if we just focus on his four main stars -non amateur observation considers nineteen stars, but if we take a look at the sky, we will only see the main four. We talk about αCrux, the one who point south, βCrux, also called “Mimosa” is the second most brilliant, γCrux it’s a beautiful red giant, and it points North;  δCrux it’s a simple blue star and the less brilliant of the common four.  They look pretty close, but between them they have several light years of distance.

I encourage you to take a look at the night sky and see Crux with new eyes, you will not be disappointed.



Comentarios

  1. El irlandés O'Kington28 de junio de 2020, 12:42

    Woow I never thought you could see a constellation in Santiago, I'll see tonight if I can find it.

    ResponderEliminar
  2. Yorza Gallegos28 de junio de 2020, 19:34

    I didn't know this constellation! I love it <3 thanks for sharing you knowledge with us

    ResponderEliminar

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