According to Nasa, people in parts of Greenland, Iceland, Spain, Russia and Portugal will experience a total solar eclipse. A boy observes a partial solar eclipse with special protective glasses in London on March 29, 2025. The safest way to view the phenomenon is with certified eclipse glasses fitted with industry safety standard filters. If you were unable to grab a pair of eclipse glasses, do not worry, as there are still safe ways to enjoy the event. Planetarium Astronomer Dr Carys Herbert wears solar eclipse glasses at the Royal Observatory Greenwich ahead of Wednesday’s eclipse.