The Milky Way's disc would take 200,000 light years to cross

The Milky Way’s disc would take 200,000 light years to cross
A new survey of data from the Apogee and Lamost projects to obtain stars’ spectra, researchers have found that stars in the disc are much further out than previous estimates suggested.

The Milky Way’s disc would take 200,000 light years to cross

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