68 reactions · 4 comments | I LOVE this book, Great Circle, by the incredible Maggie Shipstead! It’s about strong women who love to fly planes, and also about their intricate relationships. Riveting! #greatcirclebook #vondasbookshelf | Vonda Shepard | Facebook

70K views · 1K reactions | Great Circle sailing is the shortest distance between two points on a curved Earth. It's how ships save time and fuel over long distances. While it might not look like a straight line on your chart, it's actually the most efficient route. We re-did this in English to help more cadets worldwide understand this essential concept. ⚓ Have you ever plotted a Great Circle route manually? #maritime #cadet | Navigators Club | Facebook

142K views · 437 reactions | AWESOME post @loub747 Here is a great example of the “Great Circle” route being the shortest distance and a straight line on a globe…… sorry to bury your flat earth bubble (which also isn’t flat) #flatearthers #flatearth | Combat Learjet | Facebook