World Mars has two smaller moons - both of which may be captured asteroids. Deimos and Phobos are very difficult to find out besides in big telescopes resulting from getting so close to Mars. Moons are stated by measurement. Cassini wasn’t intended to sample the h2o, but the invention inspired https://best-moons83715.blogrelation.com/40995800/5-essential-elements-for-best-moons