Mars – rises as expected in the east but slowly. Despite the 30-hour orbit of Deimos, 2.7 days elapse between its rise and set for an equatorial observer, as it slowly falls behind the rotation of Mars. Because the orbit of Phobos is below synchronous altitude, the tidal forces from the planet Mars are gradually lowering its orbit. In about 50 million years, it could either crash into Mars's surface or break up into a ring structure around the planet. The origin of the two moons is not well understood. Their low albedo and carbonaceous chondrite composition have been regarded as
One Is the Other his superb quartet constantly hint at references from all over the jazz tradition". Steve Greenlee wrote in "JazzTimes" that "The Billy Hart Quartet gets more laidback with each release. "One Is the Other" is the group’s third effort (and second on ECM), and it is a demonstrably looser, freer affair than its predecessors. It’s as though the veteran drummer and his younger compadres—tenor saxophonist Mark Turner, pianist Ethan Iverson, bassist Ben Street—decided they’d proven themselves and can now take more risks with their music". "All About Jazz" correspondent John Kelman observed "with ECM paying increasing attention to North American musicians—with