This is the 5142nd most frequent Catalan word.
astronòmic
Astronòmic: Relating to astronomy or extremely large/immense.
Here, 'astronòmic' is used metaphorically to describe something extremely large or excessive in magnitude, about cost.
El cost del projecte és astronòmic.
The cost of the project is astronomical.
In this sentence, 'astronòmic' relates directly to the field of astronomy, discussing advancements within it.
Els avenços astronòmics han permès la descoberta de nous planetes.
Astronomical advancements have allowed the discovery of new planets.
Here, 'astronòmic' is used figuratively to indicate an exceptional or outstanding level of quality, applied to a telescope.