Os

Determiner

  astrónomos

Noun

  non

🙅

Particle

  saben

Verb

  actualmente

Adverb

  que

Subordinating conjunction

 procesos  paran

Verb

  a

Determiner

  contracción

Noun

.

Astronomers do not currently know which processes stop the contraction.

Astronomers do not currently know which processes stop the contraction.