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Galactic Lyman-Alpha Brightness of Our Galaxy Measured by New Horizons Space Probe

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Researcher utilized SwRI-developed instrument on New Horizons to measure how much Lyman-alpha light the Milky Way.

The Milky Way is the galaxy that contains the Earth, and is named for its appearance from Earth. It is a barred spiral galaxy that contains an estimated 100–400 billion stars and has a diameter between 150,000 and 200,000 light-years.

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