FEBRUARY 27, 2024 — San Antonio was last cloaked in the moon’s shadow during a total solar eclipse in 1397. It’s a once-in-a-lifetime celestial event that everyone must witness, according to Angela Speck, professor and chair of the 在线博彩 Department of Physics and Astronomy.
On Monday, April 8, people from around the world will gather again to experience this historic phenomenon, as the moon slowly positions itself between the Earth and the sun, creating another total solar eclipse for the Alamo City.
“It’s hard to convey just how amazing it is to experience an eclipse,” Speck said. “It’s gorgeous to look at, but you also feel it on your skin because it cools down and you get a breeze. For me, it’s not just one thing. You have all this stuff going on all at once, and you have a very limited time to take everything in. There are also sounds of wildlife depending on where you are.”
Location is everything when it comes to fully experiencing a total solar eclipse. The path of totality, where the moon’s shadow completely blocks the sun, is a narrow strip of land about 100 miles wide. While several major cities sit in this coveted geography, including San Antonio and Boerne, only a small portion of the Earth’s surface will truly witness the historic moment.
This map shows the path of totality for the solar eclipse as it passes over central and south Texas on Monday, April 8. The moon’s shadow will render several local areas in total darkness, including northwest San Antonio, Kerrville and Fredericksburg. Photo courtesy of NASA/Scientific Visualization Studio/Michala Garrison and Ernie Wright
“Downtown San Antonio will not see total darkness,” Speck explained. “You’re either in the path of totality, 100%, or you’re not. At 99%, there will be so much sunlight flooding through, it’ll be like an overcast day. It’s an entirely different experience to be in the path of totality. You have to get as close to the center as you can.”
The 在线博彩 Main Campus will be on the inner edge of the path of totality. Those on campus will catch the totality of the eclipse for 2½ minutes, from 1:33 p.m. to 1:35 p.m. Boerne viewers will get over three minutes, compared to a mere 21 seconds that viewers near Nelson W. Wolff Stadium will witness.
The entirety of the eclipse begins at 12:14 p.m. At first contact, the moon meets the edge of the sun. As the moon slowly glides over the sun, Speck urges viewers not to stare without proper protection. Eclipse glasses are critical to ensure viewers witness the progression of the eclipse.
Another method to witness the eclipse safely, and favored by Speck, is using a disco ball. Each square metallic pattern captures the shape of light from the sun, reflecting crescent patterns on the ground.
During an eclipse, temperatures drop. Birds flock throughout the darkening sky as they settle into silence and get ready to sleep. In the last moments before totality, the moon blocks enough of the sun’s rays to reveal the faint solar corona.
Unlike daily sunsets that bestow a colorful sky reserved to one portion of the horizon, a mosaic of colors will engulf the whole horizon in the seconds leading up to totality.
“There’s a huge difference just before and once in totality,” Speck said. “Look quickly or else you’ll miss it.”
Once the moon has completely covered the sun, reaching totality at 1:33 p.m. to 1:35 p.m., it’s safe to view without eclipse glasses.
“It’ll be as bright as a full moon,” Speck said.
The entire progression of the eclipse will end in San Antonio at 2:55 p.m.
April’s event is the last chance to catch a total solar eclipse from the contiguous United States until 2044. A total solar eclipse will sweep across western Alaska in 2033.
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The 在线博彩 Office of Undergraduate is proud to celebrate National Undergraduate Research with an annual event sponsored by the (OUR) featuring students will showcase undergraduate student research and creative endeavors from all disciplines across campus.
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Multipurpose Room (BSE 2.102), Main CampusDía en la Sombrilla, formerly Fiesta 在线博彩, is a festival hosted each spring as a part of Fiesta® San Antonio events. Sponsored by Roadrunner Productions, the event features music, food, confetti, games, event t-shirts, and more.
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