Also found in: Thesaurus, Encyclopedia, Wikipedia.


Located within a spherical volume centered on the earth and having a radius equal to the distance between the earth and moon: cislunar space.


(Astronomy) of or relating to the space between the earth and the moon. Compare translunar


(sɪsˈlu nər)

of or pertaining to the space between the earth and the orbit of the moon.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cislunar - situated between the earth and the moon
References in periodicals archive ?
NASA should incentivize the development of key components of orbital and cislunar infrastructure through cooperative agreements with industry.
It was then excavated by one or more large impact events and launched into cislunar space.
ULA will play a key role: serving as the transportation service for commercial activities in CisLunar space so that NASA can focus on pressing forward into deep space.
Bigelow Aerospace plans to construct a "lunar depot" in cislunar space.
The next phases will include research and testing in cislunar space to ensure all relevant technologies work in deep space before the three-year journey to Mars is started.
The B330 is a standalone commercial space station that can operate in Low Earth Orbit, cislunar space and beyond.
"While the deep space gateway is still in concept formulation, NASA is pleased to see growing international interest in moving into cislunar space as the next step for advancing human space exploration," NASA administrator said in a statement.
the gateway is part of the Journey to Mars initiative by NASA, and the Space agency says it will be a small space station that orbits the moon in the cislunar space, and be used as a transportation node for expeditions to Mars.
In this environment it is necessary to make the distinction between geospace (the region of space closest to the Earth), cislunar space (the region extending beyond Earth to the Moon), interplanetary space (the space around the Sun and planets of the solar system), interstellar space (the physical space within a galaxy), and intergalactic space (the physical space between galaxies).
Xu, "Navigation performance of the libration point satellite navigation system in cislunar space," Journal of Navigation, vol.
The advantage of the moon village over other plans such as cislunar activities, which involve space stations orbiting the moon, Woerner maintains, is that it wouldn't need a huge amount of funding at the beginning.
would send a few Orion missions into cislunar space to fly formation with a boulder that the ARM may or may not bring back robotically.