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For the first time in over a century, mainland Spain will witness a total solar eclipse, with an even longer celestial event set to follow next summer. This rare astronomical alignment promises a spectacular show, enhanced by a meteor shower and a parade of six planets visible on the same day.
On August 12, as the sun nears sunset, a shadow will sweep across the Iberian Peninsula, as well as parts of Greenland and Iceland, marking a perfect alignment of the sun, moon, and Earth. The path of totality will begin near the North Pole, moving southward, with the eclipse lasting up to two minutes and 18 seconds. This event serves as a prelude to an extraordinary 6 ½-minute eclipse in 2027 that will extend from Spain to North Africa and the Middle East.
The moon’s shadow, or umbra, will traverse a 5,130-mile (8,260-kilometer) path mostly over the Atlantic Ocean. The longest totality will be observed off Iceland’s west coast. By the time the shadow reaches populated areas in Portugal and Spain, the total eclipse duration will reduce to about one minute before concluding over the Mediterranean Sea.
Millions more people outside the path of totality will still experience a partial eclipse. Regions as far-flung as Alaska, Siberia, Canada, northern United States, much of Europe, and West Africa will see varying degrees of the sun obscured.
For example, Dublin will witness 94% coverage, Oslo 83%, Montreal 18%, New York 9%, and Norfolk, Virginia, 2%. Observers are reminded to use proper eclipse glasses at all times unless the sun is completely covered.
Adding to the day’s celestial drama, before dawn six planets will align in an arc, while after nightfall the Perseid meteor shower will peak under a new moon. There is even the possibility that meteors may streak across the sky during the brief moments of totality, with bright planets and stars visible in the backdrop.
Michael Zeiler, a seasoned eclipse chaser, plans to observe the event from a cruise ship in a Greenland fjord, hoping to capture the elusive northern lights during totality. A significant solar outburst would provide an extraordinary addition to his observations.
The European Space Agency (ESA) will broadcast live from Spain’s Astrophysical Observatory of Javalambre and host public celebrations in León, while NASA and other organizations will provide extensive coverage. ESA’s director of science, Carole Mundell, described the eclipse as more than a scientific phenomenon, emphasizing its role as a profound human connection to the cosmos.
ESA’s space telescopes will study the sun’s corona during the eclipse. Meanwhile, U.S. research teams will launch over 60 high-altitude balloons from Spain and Iceland to investigate atmospheric changes caused by the sudden drop in temperature during the eclipse. Montana State University’s Angela Des Jardins, who leads this NASA-funded project, highlighted the significant impact even a brief eclipse can have on the atmosphere.
Additionally, Southwest Research Institute scientist Amir Caspi will conduct observations aboard a NASA high-altitude aircraft, which will chase the eclipse at 460 mph, extending totality to nearly three minutes in flight. Equipped with four cameras recording in multiple wavelengths, Caspi expects to gather thousands of images during this fleeting yet valuable window.
Looking ahead, Spain will be the focal point of an exceptionally long total solar eclipse on August 2, 2027, with totality lasting up to six minutes and 23 seconds. This event will continue across parts of North Africa and the Middle East. Following that, on January 26, 2028, Spain will witness a “ring-of-fire” eclipse, completing a remarkable trio of major solar events in the region.
Spain’s last full solar eclipse-excluding the Canary Islands-occurred just before the Titanic sank in 1912. While that hybrid eclipse offered only brief totality, some experts regard the 1905 eclipse as the country’s previous full and dramatic solar spectacle.
The Royal Observatory of Belgium’s Andrei Zhukov, whose Proba-3 mission has simulated more than 60 total eclipses from satellite formations, expressed enthusiasm for upcoming eclipses, natural or artificial.
This remarkable series of events offers both scientists and the public a rare opportunity to witness and study the dynamic interactions between the sun, moon, and Earth, deepening humanity’s connection with the cosmos.