(CBC) An enormous X-shaped structure made of stars lies at the centre of the Milky Way, a new study of infrared light coming from our home galaxy suggests.
Many galaxies have an X-shaped structure at their core, but while previous studies have suggested the Milky Way contained such a structure, no one had directly observed it.
The research, reported in Astronomical Journal, is the first evidence an X-shaped structure exists in our home galaxy.
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The discovery started out serendipitously as a call-out on social media.