墟

xu̅ = xu + Ø1

ruins / (literary) village / variant of 圩[xu1] / country fair

墟 = 土 + 虚 : Xu Xian (xu) is taking care of the ruins (墟) of the Mir in front of the space station (Ø1). He uses a black hole (虚) to vacuum all the space dirt (土) which accumulated over time.

墟 character breakdown

墟
- 土
  - 一
  - 十
    - 一
    - 丨
- 虚
  - 业
  - 虍
    - 七
      - 一
      - 乚
    - 卜
      - 丨
      - 丶
    - 厂

土

tǔ = tu + Ø3

Tu (ethnic group) / surname Tu

土

tǔ = tu + Ø3

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

土 = 十 + 一 : Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.

虚

虛

xu̅ = xu + Ø1

emptiness / void / abstract theory or guiding principles / empty or unoccupied / diffident or timid / false / humble or modest / (of health) weak / virtual / in vain

虚 = 业 + 虍 : Xu Xian (xu) and the bullfrog (业) were preparing for a football game in front of the space station (Ø1) and had already painted eye black stripes (虍) onto each other when suddenly a black hole (虚) appeared and sucked their eye black off again before collapsing.