What actually causes the Northern Lights? 🤔 Our Chief Aurora Chaser, @tom.kerss, sits down with us to explain the science behind how auroras occur. Our Northern Lights Promise: 🦌❄️🌌 Sail the Norwegian coast with us between 20 September and 31 March on an 11-day voyage during auroral season. If the Northern Lights don’t appear within sight of your ship, you’ll receive a 6-day southbound or 7-day northbound Coastal Express voyage completely free. 🔗 Find more information about our Northern Ligh