Transits of Venus occur in a pattern, with pairs of transits 8 years apart separated by much longer gaps, that repeats every how many years?
Result - 243
Viewed from Earth, Venus crosses the sun twice every 100 to 120 years or so, about 8 years apart. The next is on 10-11 December 2117. When was the last?
In Solar System, which planet's day is longer than its year since it completes one rotation on the axis in 243 earth days but takes only 225 earth days to orbit the Sun ?
