Category: space exploration

Chart of Space Regions (Outer Solar System), created by the astronautics division of Convair/General Dynamics, 1958.

TODAY IN HISTORY: Planet Neptune, observed by the Voyager 2 space probe, August 25, 1989.

(NASA)

ON THIS DAY: A spectacular view of Charon, moon of Pluto, observed by the New Horizons space probe on July 14, 2015. (NASA)

“I don’t think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I’m an optimist. We will reach out to the stars.”

—Stephen Hawking, interview with Daily Telegraph, 2001

The High Frontier: Human Colonies in Space by physicist Gerard K. O’Neill, 1976. Cover art by Rick Guidice.

An S-IVB rocket stage falls back to Earth in 1960s concept art from McDonnell Douglas.

(San Diego Air & Space Museum)

An alien landscape imagined by space artist Andrei Sokolov, published in Soviet science magazine Tekhnika Molodezhi, April 1971.