Interstellar Medium
- Interplanetary space - Interplanetary medium - interplanetary dust
- Interstellar space - Interstellar medium - interstellar dust
- Intergalactic space - Intergalactic medium - Intergalactic dust
Read more about this topic: Galactic Astronomy
Famous quotes containing the word medium:
“Life is amazing: and the teacher had better prepare himself to be a medium for that amazement.”
—Edward Blishen (b. 1920)