Today's Instagram Trivia Answers

"To get Atlantic Trivia in your inbox every day, sign up for The Atlantic Daily - and don't forget to check Instagram Stories tomorrow for more questions. What D.C.-area building is famous for, among other things, its 17.5 miles of hallways? In 1610, Galileo Galilei discovered four of these belonging to Jupiter, but scientists now say it possesses 97 of them. What are they? What are the names of the two U.S. lottery drawings that have now crossed the billion-dollar benchmark multiple times?"

"In 1610, Galileo Galilei discovered four of these belonging to Jupiter, but scientists now say it possesses 97 of them. What are they? Moons. The 97 number is at least a little fungible in the sense that even in all the centuries since Galileo, scientists still haven't settled on what a moon really is, assistant editor Lila Shroff writes. In the uncertainty, quasi-moons, mini-moons, and moonlets abound. Read more."

"Mega Millions and Powerball. Jackpots grow to that ungodly size when lots of people buy tickets, and lots of people buy tickets when they overweight low-probability events, and people always overweight low-probability events. Judd Kessler writes that the fallacy might provide misguided hope that housing lotteries will solve the affordability crisis when there's actually just not enough stock to go around. Read more."

Daily Atlantic Trivia can be received by signing up for The Atlantic Daily, with additional questions posted on Instagram Stories. The Pentagon contains 17.5 miles of hallways, and recent leadership actions evicted most of the press corps from the building, reducing public access. Galileo observed four Jovian moons in 1610, and Jupiter is now considered to possess 97 moons, though the definition of a moon remains unsettled and includes quasi-moons, mini-moons, and moonlets. Mega Millions and Powerball have each exceeded billion-dollar jackpots multiple times, driven by many ticket purchases and human overweighting of low-probability events.

Read at The Atlantic