## Solar Eclipse 2026 — Investigation Summary ### What's happening On **Wednesday, August 12, 2026**, a **total solar eclipse** will sweep across the Northern Hemisphere. It's the first total solar eclipse on Earth since the "Great American Eclipse" of April 8, 2024 — a longer-than-average wait (totals usually occur every ~16 months). **Path of totality** (the narrow band where the Sun is fully blocked): begins in far northern Russia, crosses the Arctic, Greenland, the western edge of Iceland, the Atlantic, then northern/eastern Spain and a tiny corner of northeastern Portugal. It's visible from **5 countries** (Russia, Greenland, Iceland, Spain, Portugal). **Key numbers:** - Maximum totality: **2 min 18 sec** (just off the west coast of Iceland, at 65.2°N 25.2°W) - Greatest eclipse: 17:47 UTC - Max band width: ~294 km (183 mi) - Saros series 126 (48 of 72) - ~980 million people will see a partial or total eclipse; ~15.2 million live in the path of totality (about 1 in 8 people worldwide) ### Why it matters 1. **First totality for mainland Europe since 1999** — the August 11, 1999 eclipse was the last to cross continental Europe (France to Bulgaria). Since then, only parts of Georgia/Russia (2006) and the Faroe Islands/Svalbard (2015) saw totality in Europe. 2. **First total eclipse visible in Iceland since 1954** — and the only one of the 21st century; the next over Iceland won't be until **2196**. 3. **Spain's first total eclipse since 1905** — visible from A Coruña, Valencia, Zaragoza, Palma, and Bilbao (though Madrid and Barcelona are just outside the path). Spain gets another one less than a year later (Aug 2, 2027). 4. **A "polar eclipse"** — the shadow skims the top of the Northern Hemisphere, so the Sun sits low near the horizon (just 4.6° above the horizon at Valencia; 26° off Iceland). Viewers need a clear western horizon. In northern Greenland, where the Sun has been up 24/7 since April, totality will briefly darken the sky and reveal stars. 5. **UK angle (the BBC starting point):** The UK misses totality but gets a dramatic **partial eclipse** — up to **95%** of the Sun obscured in Cornwall and the Isles of Scilly, ~90% in Bristol/Somerset/Gloucestershire/Wiltshire. It's the most dramatic eclipse visible from the UK since 1999. The next full solar eclipse in the UK isn't until **23 September 2090** (66 years away). UK viewing: begins 18:17 BST, maximum 19:12 BST, ends 20:06 BST — an evening eclipse requiring a clear western horizon. 6. **First of 3 big totals in 23 months** — followed by Aug 2, 2027 (southern Spain, North Africa, Arabia) and July 22, 2028 (Australia/New Zealand, incl. 3m48s over Sydney Harbour). ### Safety (emphasized by all sources) - Only during the brief moments of totality can you look directly at the Sun. - Use **ISO 12312-2 certified eclipse glasses** (regular sunglasses are NOT safe) or a pinhole projector. - Never look through a camera, telescope, or binoculars without a proper front-mounted solar filter. ### Strongest sources (cited) - **NASA Science** — science.nasa.gov/eclipses/future-eclipses/total-solar-eclipse-on-august-12-2026/ (authoritative path, timing, safety; NASA will livestream starting 1:15 p.m. EDT Aug 12 at nasa.gov/live) - **NASA Eclipse Web Site (Fred Espenak)** — eclipse.gsfc.nasa.gov (path tables, Besselian elements) - **NASA SVS** — svs.gsfc.nasa.gov/5647 & /5656 (global shadow-path map and animation) - **timeanddate.com** — "10 Things About the August 2026 Total Solar Eclipse" (population stats, city-by-city coverage, cloud cover) and interactive path map - **Wikipedia** — "Solar eclipse of August 12, 2026" (historical context: Iceland 1954, Spain 1905, Saros 126, tourism at Látrabjarg, Iceland) - **National Solar Observatory (NSO)** — nso.edu/for-public/eclipse-map-2026/ - **BBC News** — the starting article (UK/West Country partial-eclipse viewing guide, Royal Museums Greenwich timings) ### What "changed" / the live angle The eclipse is **11 days away** (as of Aug 1, 2026), so coverage is shifting from advance planning to practical logistics: weather forecasts, cloud-cover odds, viewing-site recommendations, road/safety preparations (e.g., Iceland's narrow roads to Látrabjarg), and live-stream arrangements. NASA and the Royal Observatory Greenwich will both stream the event live on Aug 12.