명사
A very large region of space, relatively free of matter, carved out of the interstellar medium by the combination of multiple supernova bubbles resulting from supernovae.
- 동의어
- 관련 단어
- heliosphereastrospherecircumgalactic mediumintergalactic cloudintergalactic mediuminterplanetary mediuminterstellar cloudinterstellar mediumintracluster mediumnebula