VariousWords beta
Related Terms:
earthspace
interplanetary medium
astrosphere
extragalactic space
gas
interplanetary space
intergalactic space
galaxy
intracluster medium
near space
heliopause
cosmic ray
deep space
dust
heliosphere
space
star system
bussard ramjet
outer space
matter
extragalactic medium
extra cluster medium
intergalactic medium
Definitions:
Noun
interstellar medium
Definition: interstellar space including streams of protons moving from the stars
Definition: The matter that exists in the space between star systems in a galaxy, including gas, dust, and cosmic rays.