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December 1989

The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.

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Neptune Revealed

Voyager 2 revealed a planet surprisingly similar to Uranus.

The Legacy of Edwin Hubble

Our universe suddenly expanded in 1923, thanks to this American astronomer.

Supercomputing the Universe

The unseen cosmos comes to life on a computer screen.

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