Figure 7.

Earth-moon based planetary space port in 1988. Spacecraft are nuclear propelled interplanetary vehicles, launched by solid propellant lift-off rockets side-mounted around center section which, like the cylinders at the spacecraft’s center section, contain nuclear pulse units. In background a large antenna, belonging to the lunar deep space network is visible.

Image credit: Krafft Ehricke Papers

Image source: NASM

Selenopolis

Selenopolis, named after Selene, Goddess of the Moon, is a lunar city-state that could exist by 2029. With a population of about 100,000, it contains all the comforts of “home” (Earth) — plus many features that we don’t have in the terrestrial environment.

Selenopolis is a network of “Quonset hut” – shaped “half tunnel” sections stretching across the lunar surface and covering about 100 square miles. Each section is several miles long, with internal dimensions of 3200 feet across at floor level, and 1600 feet height to the center of a curved ceiling. The sections are joined at dome-shaped intersections. The entire complex is laid out for expansion.

On the inside, each section is separated from the other by a solid but transparent “curtain”, because each section of the habitat represents a different Earth-like climate and season. Selenopolis embodies urban, rural, agricultural, industrial and resort areas, and the “weather” inside is controlled and simulated accordingly. In other words, normal atmosphere conditions for Earth are maintained, and the regional climates of Earth are simulated.

Real sunlight illuminates the interior. A system of mirrors reflects it through the ceiling. Since a lunar day is 15 Earth-dats long, some of the mirrors are colored to provide the same time-changes and sky colors that we experience on Earth, from morning to night, and from season to season.

Public utilities (water, power etc.) are sub-surface. There is also a sub surface lake.

Image credit: Krafft Ehricke Papers / Space Global

Image source: NASM

Christmas In Selenopolis

Christmas in Selenopolis: While some of the residents of the lunar city enjoy ice skating and other winter sports, other citizens are visiting the Hall of Astronauts museum, on the left. Others travel on the indoor monorail, seen on the right, visiting friends, or perhaps doing last-minute shopping.

Image credit: Krafft Ehricke Papers / Space Global

Image source: NASM

Lunar Dynarium

Image credit: Krafft Ehricke Papers

Image source: NASM

Welcome To Selena

Image credit: Krafft Ehricke Papers

Image source: NASM

Lander & Crew Return Vehicle

Project Horizon at Astronautix

Image credit: US Army

Image source: Project Horizon Reports, NASM

A Vision of Lunar Settlement

Image credit: Krafft Ehricke Papers

Image source: NASM

Space Tug Gallery

Space Tug at Astronautix

Image credit: NASA MSFC

Image source: NASA NTRS

MSFC-70-PD-4018A

Space Tug at Astronautix

Image credit: NASA MSFC

Image source: NASA NTRS

Outpost Facilities

The HORIZON outpost as it appears in late 1965, after about six months of construction effort. The basic building block for the outpost will be cylindrical metal tanks ten feet in diameter and twenty feet in length.

Project Horizon at Astronautix

Image credit: US Army

Image source: Project Horizon Reports, NASM

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