On November 26 last year, when Perspective landed on Mars, it was ___________.

On November 26 last year, when Perspective landed on Mars, a stone not much larger than a golf ball, propelled by a jet stream, rolled about a meter on the ground. This stone, nicknamed Rolling Stones Rock by the Insight team, is a rock of rock. Yes, they are deliberately paying tribute to the famous Rolling Stone Band in Britain. The news was announced yesterday by Robert Downey Jr., Iron Man, on the Rolling Stones’American tour in 2019. Although not officially recognized by the International Astronomical Federation, members of the Rolling Stones said they were very happy!