。
The Big Dipper is easy to find.
Literal
Big-Dipper [topic-は] easily is-found.
北斗七星 literally 'north-dipper seven-stars' — the Japanese name for the Big Dipper. 見つかる is the intransitive pair of 見つける ('to find'): 'to be found, to be discovered.' 簡単に ('easily') is the に-form of 簡単 ('simple, easy'). A stargazing observation.