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Two Peas in an Irregular Pod

20/05/2010

Two Peas in an Irregular Pod

  • Categoría Astronomía
  • Our sun may be an only child, but most of the stars in the galaxy are actually twins. The sibling stars circle around each other at varying distances, bound by the hands of gravity.
    How twin stars form is an ongoing question in astronomy. Do they start out like fraternal twins developing from two separate clouds, or eggs'? Or do they begin life in one cloud that splits into two, like identical twins born from one egg? Astronomers generally believe that widely spaced twin, or binary, stars grow from two separate clouds, while the closer-knit binary stars start out from one cloud. But how this latter process works has not been clear.

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