A childlike companion on the asteroid B-612 in Antoine de Saint-Exupery’s classic novel The Little Prince (1943) told the book narrator that he saw the sunset 44 times a day. It says there is. The sun set around a small space rock scoops over the chair, so the prince had to do everything he had to do to stay in front of the sun.
Accept, Earth Much larger than the asteroid B-612, can Earthlings surpass that record? In other words, how many sunsets could you see directly in a day?
If you start from a place on Earth where the sun sets and the Earth moves west at a speed that points east, you can stay in a constant sunset state. In 2014, former NATO pilots, photographers and filmmakers sought to track sunsets around the world across all 24 time zones. Watch promotion campaign.. Although they were not completely successful, their efforts provide a survey of the science of sunset tracking.
Theoretically, how to follow the sunset
Gerd Kortemeyer, an associate professor of physics at Michigan State University, explained that certain bands of the Earth are always illuminated by sunlight like lamps. As the planet heads east, certain locations enter and leave the illuminated area, experiencing sunrises, days, and sunsets.
“If you want to chase the sunrise, or chase the sunset, all you have to do is fly so that you are always on that border.” Not illuminated by the illuminated territory of the Earth. Among the territories, Kortemeyer said. This means that when the Earth is facing down you, it stays in the same position with respect to the Sun, as if the Earth were a treadmill and the Sun was a ceiling light. To do this, the Earth rotates eastward, so it needs to fly west at the same speed as the Earth rotates, Cortemeyer explained.
To do that at the equator, where the planet is at its maximum circumference around its axis of rotation, it must fly at 1,000 mph (1,609 km / h). HowStuffWorks.. It’s very fast.Most commercial aircraft fly at cruising speeds 460-575 mph (740-925 km / h), US Navy Blue Angels Air Show Team at top speed 700 mph (1,126 km / h) During the air show. However, as you move toward the poles, the circumference around the axis of rotation decreases, and the speed at which the earth rotates (the distance covered during a particular period) decreases accordingly. “The higher the latitude, the slower the movement,” says Kortemeyer.
“See” I try
In 2014, Citizen Watch worked with advertising agency Wieden + Kennedy to promote the Eco-Drive Satellite Wave F100 watch and its ability to automatically adjust to changing time zones in seconds. Fast Company report. The company decided to do so by flying all time zones and documenting the ability to adjust the watch. The company has formed a team that includes former NATO pilot Jonathan Nicole, UK-based photographer Simon Roberts, and filmmaker Tristan Patterson to attempt and record stunts that fly through all time zones at sunset. bottom.
They did not try this at the equator.Instead, they flew high Arctic At 80 degrees latitude, the Earth rotates at about 180 mph (290 km / h), according to the Fast Company. The team took off in Greenland, flew north and east to reach the 80th parallel north and 0 degrees longitude (a fictitious line running north-south indicating the prime meridian), then turned around and traveled west. We started and chased the sunset across Greenland. Then Roberts, Canada, told Live Science.
Related: Will I lose weight at the equator?
According to Patterson, who produced the project’s short film, the original plan was to fly over Russia and stop refueling in Siberia. But Russia refused to allow them to land, Roberts said. The conflict between Russia and Ukraine only began in February, which heightened tensions between Russia and the West. According to Roberts and Patterson, these tensions permeated the team’s project to chase the sunset. They opposed flying in Russian airspace without permission to refuel in Russia. Instead, they passed through Greenland and landed in Resolute Bay, Canada, flying just eight hours west, Patterson said. So instead of crossing the Bering Strait into Russia, they stopped.
In the end, it was a political challenge, not a scientific one, that prevented the team from chasing the sunsets around the world. “It took so much time and effort to solve the scientific or mathematical equations of how to actually do this thing of staying at sunset for a day, and it’s swaying politically nowhere else. It’s a situation, “Patterson told Live Science.
However, it was thrilling to chase the sunset during those eight hours. “There was some general excitement in being in this eternal sunset,” Roberts said. “The feeling of dusk and sunset is very romantic. Staying in that state for 24 hours was a great idea. From a conceptual point of view, I think it was very nice.”
The results of this promotional project included an ad with a photo of Roberts’ sunset and a five-minute ad. movie, Director Patterson.
Other sunset chaser
The Concorde Jet, which can reach velocities of 1,354 mph (2,179 km / h), could have caught up with the Earth’s rotation at the equator. However, the jet is called supersonic, Speed of sound, Stopped flight in 2003.They may not have been chasing the sunset, but Concorde’s flight from London to Dulles International Airport in Virginia allowed passengers. Catch two sunsets — One when the plane took off in London and the other after landing near Washington, DC. “Concorde was famous for that,” said Kortemeyer.
Astronauts on the International Space Station, who orbit the Earth once every 90 minutes, can witness 16 sunrises and 16 sunsets a day. Atlantic report.
Saint Exupery was an aviator himself. He may have been familiar with the kind of challenges these Sunset Chasers faced. Then it might be natural for him to imagine Little Prince chasing the sunset just by moving his chair.
Originally published in Live Science.
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