| 形 interplanetary; interstellar |
| 星际云 【天】 interstellar cloud |
| 星际大战 interplanetary warfare; star war |
| 星际分子 interstellar molecule |
| 星际航行 interplanetary flight (or travel); interstellar flight (or travel); space flight (or travel) |
| 星际物质 interstellar medium |
| 星际探测器 interstellar probe |
