Back Alley Astronomy

Figure 1. All planets and dwarf planets orbiting within 6 astronomical units (AU) of our Sun, shown at their relative diameters. -----...

Figure 1. Les Grands Zig-zags . The assembly and migration of Jupiter and Saturn through the primordial Solar nebula, according to a sc...

Figure 1. The Sun-like star WASP-47 hosts a transiting Hot Jupiter flanked by two low-mass planets, and all three have periods short...