발견되지

In a sentence

• 그 문제는 아직도 발견되지 않았다.

  That issue has not been discovered yet.

  Here, '발견되지' is used in its passive form to describe that something was not discovered.

• 인류에게 새로운 행성이 발견되지 않을까 궁금합니다.

  I wonder if a new planet might be discovered by humanity.

  In this sentence, '발견되지' is used to express curiosity about the discovery of something.

• 그 보물은 고고학자들에게도 아직 발견되지 않고 있다.

  Even archaeologists have not yet discovered that treasure.

  The term '발견되지' here signifies the not yet achieved state of discovery regarding a specific item.