The disc of the Milky Way is bigger than we thought - A team of researchers have published a paper which suggests that if we could travel at the speed of light it would take us 200,000 years to cross the disc of our Galaxy.

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The disc of the Milky Way is bigger than we thought - A team of researchers have published a paper which suggests that if we could travel at the speed of light it would take us 200,000 years to cross the disc of our Galaxy.