With its four centuries of French heritage and irresistible ‘walled city’ charm, Québec City is among North America’s most unique and appealing destinations. Divided into Upper and Lower Towns, its scenic historic core offers plenty of variety, yet remains compact enough to explore within 48 hours.
Arp 147 contains the remnant of a spiral galaxy (right) that collided with the elliptical galaxy on the left. This collision has produced an expanding wave of star formation that shows up as a blue ring containing an abundance of massive young stars. These stars race through their evolution in a few million years or less and explode as supernovas, leaving behind neutron stars and black holes.