Space art by Charles Bittinger shows the solar system as imagined in 1939

These wonderful illustrations are great to ponder, and a window into how much our understanding has increased.

PHOTOGRAPH BY MARK THIESSEN, NATIONAL GEOGRAPHIC STAFF

Earlier this week, when NASA’s New Horizons spacecraft went careening past an ancient chunk of rock more than four billion miles away, science celebrated a milestone—the flyby was the farthest visit to another world humans have made to date. The probe snapped numerous pictures of its target that are now making the long trek back to Earth.

Source: Space art by Charles Bittinger shows the solar system as imagined in 1939

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