"Thor's Fight with the Giants (Swedish: Tors strid med jättarna) is an 1872 painting by the Swedish artist Mårten Eskil Winge."
Here is some history for people who have never looked at the sky the way all of human ancestors did.
"The constellations of the Big Dipper (Ursa Major) and Little Dipper (Ursa Minor) rotating around the precessional north celestial pole (centred in α Ursae Minoris). In the four phases of time they draw a swirling swastika."