Two fighters cross padded staffs while a teacher sits nearby, under two distant suns.
Two partners meet with padded staffs at a set pace. Each strike is timed so the other can block it. Good timing is mastery of the physical laws.
Kepler-453 b is a large planet, about 6 times wider than Earth, that orbits two stars in about 241 days. The moon in the front of the picture is made up.
Practice
With a partner, tap sticks together slowly on a count of four.