Mercury (planet) at a steep angle. Mercury is 10° above the horizon when the planet appears directly above the Sun (i.e. its orbit appears vertical) and is at maximum elongation from the Sun (28°) and also when the Sun is 18° below the horizon, so the sky is just completely dark. This angle is the maximum altitude at which Mercury is visible in a completely dark sky. At middle latitudes, Mercury is more often and easily visible from the Southern Hemisphere than from the Northern. This is because Mercury's maximum western elongation occurs only during early autumn in the Southern Hemisphere, whereas
Sun Ra and his Solar Arkestra Visits Planet Earth unless otherwise noted; Side A: Side B: The sides were switched for the Evidence reissue, as well as being coupled with the album "Interstellar Low Ways". On "Reflections In Blue", "Two Tones", "El Viktor" and "Saturn", recorded at the Balkan Studio, Chicago, November 1, 1956; On "Planet Earth", "Eve" and "Overtones of China" recorded at Rehearsals, late 1957 or 1958; Sun Ra and his Solar Arkestra Visits Planet Earth Sun Ra and his Solar Arkestra Visits Planet Earth is a jazz album by the American musician Sun Ra and his Solar Arkestra. Recorded between late 1956 and 1958, the album