In the Milky Way, three invaders are ‘on the run’ – in the wrong direction

Lots of stars are seen in the image. A central, straight structure goes diagonally from the bottom left to the top right; it has strings of gas, bright sections and other features. It represents the Milky Way

Astronomers have discovered three ancient stars “on the run” in the outskirts of the Milky Way galaxy, racing in the wrong direction at hundreds of thousands of kilometers per hour.

Despite being bright for their age, the three stars are so old that they date back to the time when the first galaxies formed. That is between one and two billion years after the Big Bang.

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