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The description of the word you requested from the astronomical dictionary is given below.
![[Astronomy Answers]](../../pic/pr.gif "Astronomy Answers"){kind=small}
![[Dictionary]](../../pic/glossary.gif "Dictionary"){kind=small}
![[AnswerBook]](../../pic/book.gif "AnswerBook"){kind=small}
![[Universe Family Tree]](../../pic/tree.gif "Universe Family Tree"){kind=small}
![[Science]](../../pic/science.gif "Science"){kind=small}
![[Starry Sky]](../../pic/sterren.gif "Starry Sky"){kind=small}
![[Planet Positions]](../../pic/planeet.gif "Planet Positions"){kind=small}
![[Calculate]](../../pic/reken.gif "Calculate"){kind=small}
![[Colophon]](../../pic/copybtn.gif "Colophon"){kind=small}