Key Facts
- Video duration
- 00:01:34
- Featured astronauts
- Sara García Alonso (English), Pablo Álvarez Fernández (Spanish)
- Key message
- Use certified eclipse glasses; ordinary sunglasses are not enough
- Languages
- English and Spanish
- Publisher
- European Space Agency (ESA)
- Publication date
- July 31, 2026
Background
The European Space Agency (ESA) has released a short video, titled 'How to safely watch a solar eclipse,' featuring reserve astronaut Sara García Alonso. The video, published on July 31, 2026, aims to educate the public on safe eclipse viewing practices.
In the video, García Alonso demonstrates the use of certified eclipse glasses and explains why ordinary sunglasses are insufficient for protecting one's eyes during a solar eclipse. The video also covers the different stages of an eclipse and when it is safe to look at the Sun.
Current Situation
The ESA video, which runs for one minute and 34 seconds, is available in both English and Spanish. In the Spanish version, reserve astronaut Pablo Álvarez Fernández takes over the explanation, offering the same safety guidance to Spanish-speaking audiences.
The video emphasizes that a solar eclipse is an unforgettable sight but only if watched safely. It instructs viewers on how to enjoy the cosmic event without risking their eyesight, highlighting the importance of using certified eclipse glasses at all times except during the brief total phase when the Sun is completely covered.
Impacts
The guidance is particularly relevant for people planning to observe upcoming solar eclipses. By following the advice, viewers can avoid permanent eye damage, which can occur if they look directly at the Sun without proper protection.
The video also serves as an educational resource for schools, science centers, and the general public, helping to promote safe viewing practices during one of the Solar System's greatest shows.
Future Outlook
Scenario analysis: The possibilities below are not certain predictions.
If viewers follow the ESA's advice and use certified eclipse glasses, they can safely enjoy future solar eclipses. However, if they rely on ordinary sunglasses, they risk serious eye injury.
The ESA may release additional safety videos or updates before major eclipses, but this remains unclear. Should the agency expand its outreach, it could reach an even wider audience with crucial safety information.
Source: European Space Agency



