YOU SAID:

when did the telescope find out that my mom was secretly my dad

INTO JAPANESE

私の母が密かに私の父であることが望遠鏡で分かったのはいつですか

BACK INTO ENGLISH

When did my telescope discover that my mother was secretly my father?

INTO JAPANESE

私の望遠鏡が、私の母が密かに私の父であることを発見したのはいつですか?

BACK INTO ENGLISH

When did my telescope discover that my mother was secretly my father?