What old city gave its name to the Prime Meridian?
Send your answers to george@bwsailing.com. A winner will be selected randomly from the correct answers and will win a one-year subscription to the digital version of Blue Water Sailing magazine.
Thanks to all readers who sent in answers to last week’s question on when you see a “diamond ring” in the sky. The winner this week is Earl Lafonde, Williston, VT, who emailed: “You see a diamond ring in the sky during a total eclipse of the sun, just as we did last week!”