A total solar eclipse will cross mainland Europe for the first time since 1999 when its path of totality cuts through northern Spain on August 12, marking one of the continent's most anticipated astronomical events of the decade. Scientists from multiple disciplines will position themselves along the Spanish band of totality to study the solar corona, whose surface temperature of 1.5 million Kelvin — far exceeding the Sun's surface temperature of 5,800 Kelvin — remains one of astronomy's enduring mysteries. Beyond astrophysics, a team of Spanish researchers has launched the EcoEclipse project, recruiting 300 volunteers to record how animals including birds and bats respond to the sudden midday darkness, while a dozen Spanish zoos along the eclipse's path will monitor behavioural changes in real time.
Mosaic News
Total solar eclipse to sweep across northern Spain on August 12[Updated]
The eclipse has now passed, with millions across Spain, Iceland, and Greenland witnessing totality as the event unfolded on Wednesday evening as predicted. European Space Agency reserve astronaut Sara García Alonso, watching from within the Spanish band of totality, described it as "one of the most beautiful things I've ever seen in my life," while fellow astronaut Pablo Álvarez Fernández said the reality surpassed all prior descriptions. Spain deployed a significant police contingent and established dedicated viewing areas across rural zones to accommodate the crowds, and the lunar shadow moved across Earth's surface at approximately 3,430 kilometres per hour, limiting totality at any given point to just a few minutes. Energy grid operators across Europe successfully managed a temporary drop in solar generation of up to 9.7 gigawatts between 19:15 and 21:30 CET — with the steepest reductions in Spain and Germany — having prepared back-up generation and postponed scheduled maintenance in advance.
Spain's finance ministry has projected that 460,000 overseas tourists will travel specifically to witness the eclipse, driving hotel prices sharply higher across the country: rooms in A Coruña are up 135% year-on-year to an average of $451, while Bilbao and Santiago de Compostela have seen rises of 67% and 34% respectively. Certified eclipse-viewing glasses have grown increasingly difficult to source across Spain and Europe in the days before the event. The eclipse's path begins over Russia around 17:00 UTC, passing over Greenland and Iceland before crossing northern Spain from Oviedo through Burgos to Palma de Majorca, where totality ends around 18:30 UTC; outside the band of totality, observers across France, northern West Africa, Canada, and the Netherlands will see a partial eclipse. In the Netherlands, roughly 90% of the sun's surface will be obscured — the most significant eclipse there since 1999 — with a comparable event not expected again until 2081.