Early-risers take part in an exercise program at dawn in Bug Light Park, Wednesday, September 20, 2023, in South Portland, Maine. Most of the state is enjoying a pleasant, dry stretch of weather that should last through Saturday. (Phoot by Robert F. Bukaty/AP Photo)

People walk along the Neva River at sunset in St.Petersburg, Russia, Tuesday, December 6, 2016. The temperature in St.Petersburg is –9C ( 15.8 °F). (Photo by Dmitri Lovetsky/AP Photo)

Turkey and Georgia fans clash before the Euro 2024 Group F match between Turkey and Georgia at the Dortmund BVB Stadion, Dortmund, Germany on June 18, 2024. (Photo by Wolfgang Rattay/Reuters)

A fan cheers during the African Cup of Nations Group F soccer match between DR Congo and Zambia in San Pedro, Ivory Coast, Wednesday, January 17, 2024. (Photo by Themba Hadebe/AP Photo)

A man bathes in an ice hole in the Neva River St. Petersburg, Russia, Wednesday, February 10, 2021. The temperature in St. Petersburg is –15C ( 5 °F). (Photo by Dmitri Lovetsky/AP Photo)

An F-18 Hornet fighter jet on May 27, 2025 lands and takes off from a highway during Baana 25, a military exercise held by the Finnish air force. (Photo by The Times)

A group of boys toss their friend into the water at Good Harbor Beach in Gloucester, Massachusetts, United States on June 25, 2024. New England temperatures reached into the high 80's(F) and low 90's(F) this week after a heatwave brought temperatures close to 100(F) last week. Heat domes causing heatwaves have been hitting the US over the past week with high alerts placed in the I-95 corridor on the East Coast. The National weather service has predicted above-normal temperatures for most the US for the month of July. (Photo by Joseph Prezioso/Anadolu via Getty Images)

Macro or Micro? Scientists’ pictures baffle our sense of scale. It began when Stephen Young, a geography professor at Salem State University in Massachusetts, tricked his biologist colleague Paul Kelly into thinking a satellite image was one of his electron microscope scans. Can you guess whether they are close-up or very far away? (Photo by Paul Kelly)