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Max Planck Institute for Astronomy

Astronomers discover unusual spindle-like galaxies

12 Oct 2017, 06:00 UTC
Astronomers discover unusual spindle-like galaxies J. Chang, PMO / T. Müller, HdA

Galaxies are majestic, rotating wheels of stars? Not in the case of the spindle-like galaxies studied by Athanasia Tsatsi (Max Planck Institute for Astronomy) and her colleagues. Using the CALIFA survey, the astronomers found that these slender galaxies, which rotate along their longest axis, are much more common than previously thought. The new data allowed the astronomers to create a model for how these unusual galaxies probably formed, namely out of a special kind of merger of two spiral galaxies. The results have been published in the journal Astronomy & Astrophysics.

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