inte - iono
- integrated magnitude
- integration time
- intensity
- intensity interferometers
- interacting binary stars
- interacting galaxies
- interactions
- intercloud gas
- intercloud matter
- interference
- interference filters
- interference fringes
- interference spectrosocopy
- interferometers
- interferometry
- intergalactic absorption
- intergalactic clouds
- intergalactic gas
- intergalactic matter
- intergalactic space
- interiors
- intermediate population stars
- intermediate type stars
- internal motions
- interplanetary dust
- interplanetary gas
- interplanetary grains
- interplanetary magnetic fields
- interplanetary matter
- interplanetary medium
- interplanetary scintillation
- interstellar absorption
- interstellar bubbles
- interstellar communication
- interstellar dust
- interstellar extinction
- interstellar gas
- interstellar magnetic fields
