Mercury passing directly between Earth, sun in rare transit Monday The Citizen 6 years ago Transits are very rare and occur about 13 times every century, according to AccuWeather. Source: ABC News 6 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on LinkedIn (Opens in new window) LinkedIn Print (Opens in new window) Print Rare illness impacts several children in MinnesotaDateOctober 7, 2018In relation toRobesoniaHouse holding rare Saturday session on mail delivery disruptionsDateAugust 22, 2020In relation toRobesoniaBacteria that causes rare tropical disease found in US soilDateJuly 28, 2022In relation toRobesonia