👉 In the context of astronomy, a "tightrope" is a rope that is tied around a pole with one end attached to the ground and the other end hanging off the edge. The term is often used in reference to a person or object that has a tight grip on something, such as a tightrope walker or a tightrope artist. In more general terms, "tightropes" can refer to any rope that is tied around a pole with one end attached to the ground