cislunar
adjEtymology From cis- + lunar.
1
Situated between the Earth and the Moon.
- Lt. Gen. Zhang Yulin, a former deputy commander of China’s astronaut program, wrote in The People’s Daily last year that cislunar space — the area between the Earth and moon — would “become another broad field for the expansion of human living space.”2020 December 16, Steven Lee Myers, Kenneth Chang, “China Brings Moon Rocks to Earth, and a New Era of Competition to Space”, in The New York Times, →ISSN:
- The economic viability of commercial operations in cislunar space – meaning the region extending from Earth’s atmosphere to the lunar surface and beyond – might be even more remote.2026 April 7, Henry Gass, “Artemis II reignites deep-space travel. Will it also boost a lunar economy?”, in The Christian Science Monitor, Boston, Massachusetts: Christian Science Publishing Society, →ISSN, →OCLC:
2
Situated below the orbit of the Moon, or equivalent distance from the Earth.
- Synonyms
- sublunar
- Related terms
- translunar