👉 Heterochronous is a concept in physics that refers to an object or system that exhibits two different modes of motion, one that is observed as being stationary and the other that is observed as moving. In other words, it is a phenomenon where an object or system has both translational and rotational properties at the same time. The term was first introduced by physicist George Gamow in his book "The Cosmic Process" in 1927. Heterochronous objects are commonly