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The Persephone ribbon controller is also able to record pressure or velocity. The ribbon is a linear potentiometer that generates different control voltages depending on where it is touched. Thus, the modern ribbon on the Persephone replaces the nickel-chrome resistance wire used as a variable resistor to control the pitch of the trautonium 1.
Syrtis Major Planum (formerly Syrtis Major Planitia) is a massive shield volcano in the eastern hemisphere of Mars.A "dark spot" (an albedo feature), Syrtis Major Planum is located in the boundary between the northern lowlands and southern highlands of Mars just west of the impact basin Isidis in the Syrtis Major quadrangle.
Persephone and Dionysos. Roman copy after a Greek original of the 4th–3rd century B.C. Marble. Hermitage.. In ancient Greek mythology and religion, Persephone (/ p ər ˈ s ɛ f ə n iː / pər-SEF-ə-nee; Greek: Περσεφόνη, romanized: Persephónē, classical pronunciation: [per.se.pʰó.nɛː]), also called Kore (/ ˈ k ɔːr iː / KOR-ee; Greek: Κόρη, romanized: Kórē, lit.
Persephone gets some of the show’s most seemingly joyful moments in show-stoppers like “Our Lady of the Underground,” but even a number like that has undertones that go much, much deeper ...
Generalised geological map of Mars [1] Mars as seen by the Hubble Space Telescope. The geology of Mars is the scientific study of the surface, crust, and interior of the planet Mars. It emphasizes the composition, structure, history, and physical processes that shape the planet. It is analogous to the field of terrestrial geology.
This discovery may be of great importance for future colonization of Mars because these types of faults and breccia dikes on earth are associated with key mineral resources. [ 38 ] [ 39 ] It has been estimated that 25% of the Earth's impacts are connected to mineral production. [ 40 ]
The motion and long distances between planets: The interplanetary communication is greatly delayed due to the interplanetary distances and the motion of the planets. The delay is variable and long, ranging from a couple of minutes (Earth-to-Mars), to a couple of hours (Pluto-to-Earth), depending on their relative positions.
Direct teleoperation of a Mars rover is impractical, as the round trip communication time between Earth and Mars ranges from 8 to 42 minutes and the Deep Space Network system is only available a few times during each Martian day . [1] Therefore, a rover command team plans, then sends, a sol of operational commands to the rover at one time. [1]