Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . CNN  —  The Perseverance rover spotted a quick glimpse of a cosmic “googly eye” on Mars during a recent solar eclipse. As Phobos, one of Mars’ two moons, passed in front of the sun, it cast a lumpy, potato-shaped shadow on the sun’s face as well as on the Martian surface. The Perseverance rover, currently ascending the western wall of Jezero Crater ,