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Figures of Eight and Peanut Shells: How stars move at the centre of the Galaxy

27/11/2013

Figures of Eight and Peanut Shells: How stars move at the centre of the Galaxy

  • Categoría Astronomía
  • Two months ago astronomers created a new 3D map of stars at the centre of our Galaxy (the Milky Way), showing more clearly than ever the bulge at its core. Previous explanations suggested that the stars that form the bulge are in banana-like orbits, but a paper published this week in Monthly Notices of the Royal Astronomical Society suggests that the stars probably move in peanut-shell or figure of eight-shaped orbits instead.

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