Astrological as an adjective is of, or relating to astrology while Pseudoscience as a noun is any body of knowledge purported to be scientific or supported by science but which fails to comply with the scientific method.
Part of speech: adjective
Definition: of, or relating to astrology
Part of speech: noun
Definition: Any body of knowledge purported to be scientific or supported by science but which fails to comply with the scientific method.
We hope you now know whether to use Astrological or Pseudoscience in your sentence.