The Sun is currently at the peak of an 11-year cycle of activity, making now a great time to go aurora hunting. We speak with solar scientist Lucie Green about what drives this cycle in Episode 3 of our aurora special series of the Star Diary podcast, from the makers of Sky at Night Magazine. This podcast is sponsored by Hurtigruten https://www.hurtigruten.com/en-gb Transcript Sign up for Masterclass series on DSLR astrophotography: https://www.skyatnightmagazine.com/virtual-events Subscribe to BBC Sky at Night Magazine and submit your astrophotography images over on our website: https://www.skyatnightmagazine.com contactus@skyatnightmagazine.com Learn more about your ad choices. Visit podcastchoices.com/adchoices