Phobos (moon) break up when it reaches approximately 2.1 Mars radii. When Phobos is eventually torn apart by tidal forces, a fraction of the debris will likely form a planetary ring around Mars, which may last from one million to one hundred million years. The origin of the Martian moons is still controversial. Phobos and Deimos both have much in common with carbonaceous C-type asteroids, with spectra, albedo, and density very similar to those of C- or D-type asteroids. Based on their similarity, one hypothesis is that both moons may be captured main-belt asteroids. Both moons have very circular orbits which lie
One Is the Other particular focus on a clearly vibrant New York scene, the sublimely open "One is the Other" is both this quartet's best record yet, and further evidence to counter those who accuse ECM's purview of being too Euro-centric." "All compositions by Billy Hart, except where noted" One Is the Other One Is the Other is an album by jazz drummer Billy Hart, released on ECM Records in 2014. The "AllMusic" review by Thom Jurek states ""One Is the Other" is the sound of an experienced and deeply intuitive quartet speaking in a colorful and precise language numerous dialects and approaches to