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  2. Timekeeping on Mars - Wikipedia

    en.wikipedia.org/wiki/Timekeeping_on_Mars

    The Mars time of noon is 12:00 which is in Earth time 12 hours and 20 minutes after midnight. For the Mars Pathfinder, Mars Exploration Rover (MER), Phoenix, and Mars Science Laboratory missions, the operations teams have worked on "Mars time", with a work schedule synchronized to the local time at the landing site on Mars, rather than the ...

  3. Persephone (instrument) - Wikipedia

    en.wikipedia.org/wiki/Persephone_(instrument)

    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.

  4. Mars sol - Wikipedia

    en.wikipedia.org/wiki/Mars_sol

    The average duration of the day-night cycle on Mars — i.e., a Martian day — is 24 hours, 39 minutes and 35.244 seconds, [3] equivalent to 1.02749125 Earth days. [4] The sidereal rotational period of Mars—its rotation compared to the fixed stars—is 24 hours, 37 minutes and 22.66 seconds. [4]

  5. Planetary hours - Wikipedia

    en.wikipedia.org/wiki/Planetary_hours

    As each day is divided into 24 hours, the first hour of a day is ruled by the planet three places down in the Chaldean order from the planet ruling the first hour of the preceding day; [2] i.e. a day with its first hour ruled by the Sun ("Sunday") is followed by a day with its first hour ruled by the Moon ("Monday"), followed by Mars ("Tuesday ...

  6. Persephone - Wikipedia

    en.wikipedia.org/wiki/Persephone

    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.

  7. Persephone in popular culture - Wikipedia

    en.wikipedia.org/wiki/Persephone_in_popular_culture

    Ani DiFranco portrays Persephone in the 2010 concept album, while in the stage adaptation the role was originated by Amber Gray. The musical Mythic is a modern-day pop rendition of the myth [8] [9] "Persephone" is the instrumental opening track of Opeth's 2016 album Sorceress. The album's theme (including several of its tracks) arguably ...

  8. Charon (moon) - Wikipedia

    en.wikipedia.org/wiki/Charon_(moon)

    [28] [29] Although colleagues at the Naval Observatory proposed Persephone, Christy stuck with Charon after discovering that it was serendipitously the name of an appropriate mythological figure: [28] Charon (/ ˈ k ɛər ən /; [2] Ancient Greek: Χάρων) is the ferryman of the dead, closely associated with the god Pluto.

  9. Perseverance (rover) - Wikipedia

    en.wikipedia.org/wiki/Perseverance_(rover)

    A few days after landing, Perseverance released the first audio recorded on the surface of Mars, capturing the sound of Martian wind. [82] [83] During its travels on Mars, NASA scientists had observed around Sol 341 (February 4, 2022) that a small rock had dropped into one of its wheels while the rover was studying the Máaz rock formation.