Starman in the slow lane, Musk's Mars mission hits a cosmic red light. Forget Rush Hour in LA, the real celestial gridlock is happening way out of this world. Elon Musk's Starman, that snazzy Tesla Roadster blasting David Bowie across the cosmos, is stuck in a celestial parking lot, circling Earth like a lost Uber trying to find its destination. Scientists are scratching their heads harder than a monkey trying to solve a Rubik's Cube.