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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 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 ...

  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. Persephone - Wikipedia

    en.wikipedia.org/wiki/Persephone

    This also explains why Persephone is associated with Spring: her re-emergence from the underworld signifies the onset of Spring. Therefore, not only does Persephone and Demeter's annual reunion symbolize the changing seasons and the beginning of a new cycle of growth for the crops, it also symbolizes death and the regeneration of life. [67] [68]

  6. Cosmic Calendar - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Calendar

    The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.

  7. Fictional planets of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Fictional_planets_of_the...

    Extrasolar examples of planets on opposite sides in the same orbit around their star appear in the 1976 episode "The Last Enemy" of the television show Space: 1999, where one planet has an all-female population and the other an all-male one, and the two planets are at war; [11] [14] and Malcolm MacCloud [Wikidata] 's 1981 novel A Gift of ...

  8. Mars - Wikipedia

    en.wikipedia.org/wiki/Mars

    Mars's average distance from the Sun is roughly 230 million km (143 million mi), and its orbital period is 687 (Earth) days. The solar day (or sol) on Mars is only slightly longer than an Earth day: 24 hours, 39 minutes, and 35.244 seconds. [185] A Martian year is equal to 1.8809 Earth years, or 1 year, 320 days, and 18.2 hours. [2]

  9. List of fictional doomsday devices - Wikipedia

    en.wikipedia.org/wiki/List_of_fictional_doomsday...

    The Shadow Planet Killer does so by firing missiles which burrow into the planet's core and detonate, causing planet-wide volcanic activity which renders the planet lifeless. Covenant warships use plasma weapons to superheat the surface of the planet; the crust is turned into a glass-like substance rendering it uninhabitable.