Simplify the following text for a Grade 8 native English-speaking person.
Original: Two additional rings were discovered in 1986 in images taken by the Voyager 2 , and two outer rings were found in 2003 â `` 2005 by the Hubble Space Telescope .
Simplified: The rings were directly imaged when Voyager 2 passed Uranus in 1986 . Voyager 2 also discovered two additional faint rings bringing the total number to eleven .