tarci -tar- gismu

x₁ is a star/sun with stellar properties x₂.

In notes:

solri: x₁ is the sun of home planet x₂ (default Earth) of race x₃; (adjective:) x₁ is solar.
tsani: x₁ is an expanse of sky/the heavens at place x₂; [celestial].
cimnyterjunta: j₃=c₁ is a/the black hole.
jajycukla: x₁ is an accretion disk (in astronomy)
puvytarga'i: x₁ is stellar evolution
sostartai: t₁ is a constellation of stars
tarboi: b₁ is a globular cluster consisting of stars with properties t₂.
tarci'e: c₁ is a solar system based on star(s) t₁ (default is the Solar System) with stellar properties t₂ with components c₃ displaying c₄ (ka)
tarske: s₁ is astronomy based on methodology s₃.
tarso'imei: s₁ is a/the galaxy (default is the Milky Way)
tartai: tarm₁ tartai tarc₂.