Since Venus orbits the Sun 13 times in almost the exact amount of time it takes us to make 8 trips around the old Sol, every 8 years it'll appear in the same constellation, be the same brightness and be in the same position relative to the horizon as it was 8 years previously.
(Venus; orbits; the Sun; T:13 times) (it; was; T:8 years previously)
Venus it
orbits was
the Sun T:13 times
T:8 years previously