The longest eclipse visible from Earth in over a century
En agosto de 2027, la Luna cubrirá el Sol durante seis minutos y veintitrés segundos sobre algunas de las regiones más habitadas del planeta, desde España hasta Somalia. No será el eclipse más largo jamás registrado, pero sí el más accesible para miles de millones de personas en más de un siglo. La NASA lo confirma como un acontecimiento irrepetible en la práctica: el siguiente evento comparable no llegará en una forma tan alcanzable hasta dentro de 157 años. Es uno de esos instantes en que el cosmos recuerda a la humanidad su lugar en el tiempo.
- El 2 de agosto de 2027, el cielo diurno se oscurecerá durante más de seis minutos sobre España, el norte de África, Egipto y la Península Arábiga, en el eclipse solar total más accesible en más de un siglo.
- Aunque el eclipse de 2009 fue técnicamente más largo, transcurrió sobre territorios remotos e inaccesibles; el de 2027 pasará sobre territorios densamente poblados, poniendo el fenómeno al alcance de miles de millones.
- México y el resto de América Latina quedarán completamente fuera del evento, lo que convierte este eclipse en una experiencia geográficamente desigual para el mundo hispanohablante.
- Hoteles, operadores turísticos y científicos ya se movilizan a lo largo del corredor de totalidad: se preparan instrumentos para estudiar la corona solar y las reservas en zonas clave avanzan rápidamente.
- El próximo eclipse de duración comparable no ocurrirá hasta 2045, y ninguno tan accesible para la humanidad en general llegará en los próximos 157 años, convirtiendo este en un evento verdaderamente irrepetible para la mayoría de los vivos hoy.
El 2 de agosto de 2027, la Luna se interpondrá frente al Sol durante seis minutos y veintitrés segundos. La NASA ha confirmado que este eclipse solar total trazará un corredor de oscuridad sobre algunas de las regiones más pobladas del mundo: España, Gibraltar, Marruecos, Argelia, Túnez, Libia, Egipto, Arabia Saudita, Yemen y Somalia. Más allá de ese corredor, Europa, África y Asia verán un eclipse parcial. América Latina, en cambio, no verá nada.
Lo que hace histórico al evento no es su duración absoluta —el eclipse del 22 de julio de 2009 duró seis minutos y treinta y nueve segundos— sino su accesibilidad. Aquel eclipse de 2009 cruzó Nepal, Bangladesh, el norte de Birmania, el centro de China y algunas islas del Pacífico: territorios remotos que pocas personas podían alcanzar. El de 2027 se desplegará sobre territorios habitados y bien comunicados, poniendo el fenómeno al alcance práctico de miles de millones de personas.
La rareza del evento queda clara al mirar hacia adelante: el siguiente eclipse de duración comparable ocurrirá el 12 de agosto de 2045, también de seis minutos y veintitrés segundos. Después, los intervalos se alargan considerablemente. Para la mayoría de quienes hoy están vivos, 2027 representa una convergencia irrepetible de precisión astronómica y fortuna geográfica que no volverá a darse en forma accesible durante 157 años.
La anticipación ya es palpable. Los hoteles en el corredor de totalidad registran reservas anticipadas, los operadores turísticos organizan expediciones y los científicos preparan instrumentos para estudiar la corona solar —ese halo de plasma que solo se hace visible cuando la Luna tapa el disco brillante del Sol. Durante unos pocos minutos, el cielo se oscurecerá, aparecerán estrellas y la temperatura descenderá. Luego, tan abruptamente como comenzó, la luz volverá. El momento pasará. Pero quienes lo presencien no lo olvidarán.
On August 2, 2027, the Moon will slide in front of the Sun and hold it there for six minutes and twenty-three seconds. For most of human history, such an event would have seemed like the end of the world. Now it will be one of the most watched moments in modern astronomy—and the longest solar eclipse visible from Earth in more than a century.
NASA has confirmed that this eclipse will carve a path of totality across some of the most densely populated regions on the planet. The shadow will sweep through Spain and Gibraltar, then across North Africa through Morocco, Algeria, Tunisia, and Libya. It will continue into Egypt, then across the Arabian Peninsula through Saudi Arabia and Yemen, and finally into Somalia. Along this corridor, observers will experience the full eclipse—the complete blotting out of the Sun by the Moon. Beyond this path, a much wider zone stretching across Europe, Africa, and Asia will see a partial eclipse, with the Moon covering only a portion of the solar disk. In North America, only the northernmost reaches of Maine and the Atlantic provinces of Canada will catch even a glimpse of the partial event. Mexico and the rest of Latin America will see nothing.
What makes August 2027 historically significant is not that it will be the longest eclipse ever recorded—that distinction belongs to July 22, 2009, which lasted six minutes and thirty-nine seconds. Rather, it is that the 2009 eclipse was visible only along a narrow, remote corridor crossing eastern Nepal, northern Bangladesh, Bhutan, northern Burma, central China, and scattered Pacific islands including the Ryukyu Islands, the Marshall Islands, and Kiribati. Few people on Earth could reach those places. The 2027 eclipse, by contrast, will unfold over some of the world's most accessible and populated territories. Billions of people will have the practical opportunity to witness it.
The rarity of such an event cannot be overstated. According to NASA data, the next eclipse of comparable length will not occur until August 12, 2045, also lasting six minutes and twenty-three seconds. After that, the intervals grow longer. An eclipse on May 22, 2096, will last six minutes and seven seconds. On June 3, 2114, one will stretch to six minutes and thirty-two seconds. And on June 13, 2132, an eclipse will reach six minutes and fifty-five seconds—the longest in the sequence. For most people alive today, the 2027 eclipse represents a once-in-a-lifetime convergence of astronomical precision and geographic fortune. It will not happen again in any accessible form for 157 years.
The event has already begun to capture the imagination of astronomers, eclipse chasers, and casual stargazers alike. Hotels and viewing sites along the path of totality are beginning to fill with advance bookings. Tour operators are organizing expeditions. Scientists are preparing instruments to study the Sun's corona—the ghostly halo of plasma that becomes visible only when the Moon blocks the bright disk. For a few minutes on that August morning, the daytime sky will darken, stars will appear, and the temperature will drop. Then, just as suddenly, the Sun will emerge, and ordinary daylight will return. The moment will pass. But for those who witness it, the memory will endure.
Citações Notáveis
This eclipse will be the longest recorded in the last century that is actually visible to large populations— NASA data
A Conversa do Hearth Outra perspectiva sobre a história
Why does it matter that this eclipse is visible from populated areas rather than remote ones?
Because accessibility changes everything. The 2009 eclipse was technically longer, but almost nobody saw it. You'd have needed to travel to places like Nepal or the middle of the Pacific. This one unfolds over Spain, Egypt, Saudi Arabia—places with airports, hotels, roads. Billions of people can actually get there.
So it's not the longest eclipse ever, just the longest one most people can see?
Exactly. And that distinction matters historically. An eclipse that nobody witnesses might as well not have happened. This one will be documented from a thousand angles, studied by scientists across continents, remembered by an entire generation.
What happens to people who can't reach the path of totality?
They'll see a partial eclipse if they're in Europe, Africa, or Asia. The Moon will cover part of the Sun, but not all of it. It's still remarkable, but it's not the same as totality. And if you're in Mexico or South America, you see nothing at all.
Why won't it happen again for 157 years?
The geometry has to align perfectly. The Moon's shadow has to pass over populated land at the right angle and distance. That combination is rare. When it does happen, the next one won't be as accessible or as long for a very long time.
Are people already planning to travel for this?
They're starting to. Hotels along the path are filling up. Tour operators are organizing trips. Once word spreads more widely, the rush will intensify. This is the kind of event people rearrange their lives for.