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  2. Composition of Mars - Wikipedia

    en.wikipedia.org/wiki/Composition_of_Mars

    In the summer of 2008, the TEGA and WCL experiments on the 2007 Phoenix Mars lander found between 3–5wt% (percent by weight) calcite (CaCO 3) and an alkaline soil. [65] In 2010, analyses by the Mars Exploration Rover Spirit identified outcrops rich in magnesium-iron carbonate (16–34 wt%) in the Columbia Hills of Gusev crater. The magnesium ...

  3. Mineralogy of Mars - Wikipedia

    en.wikipedia.org/wiki/Mineralogy_of_Mars

    The surface geology of Mars is somewhere between the basalt or andesite rocks on Earth. This led to the formation of minerals similar to what is found on Earth. The presence of iron oxide gives the surface the “rust” color that is associated with Mars, the Red Planet.

  4. Geology of Mars - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Mars

    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.

  5. Geology of solar terrestrial planets - Wikipedia

    en.wikipedia.org/wiki/Geology_of_solar...

    [31] [32] Mars has twice as much iron oxide in its outer layer as Earth does, despite their supposed similar origin. It is thought that Earth, being hotter, transported much of the iron downwards in the 1,800 kilometres (1,118 mi) deep, 3,200 °C (5,792 °F ), lava seas of the early planet, while Mars, with a lower lava temperature of 2,200 °C ...

  6. Planetary core - Wikipedia

    en.wikipedia.org/wiki/Planetary_core

    All of the rocky inner planets, as well as the moon, have an iron-dominant core. Venus and Mars have an additional major element in the core. Venus’ core is believed to be iron-nickel, similarly to Earth. Mars, on the other hand, is believed to have an iron-sulfur core and is separated into an outer liquid layer around an inner solid core. [20]

  7. Mars in Cancer Opposite Pluto in Capricorn Could Feel Like ...

    www.aol.com/mars-cancer-opposite-pluto-capricorn...

    Mars opposite Pluto triggers tension around your health habits and life behind the scenes. For instance, you may feel a sudden drive to overhaul your routines or make a big lifestyle change, but ...

  8. Geological history of Mars - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of_Mars

    The Siderikan (named for iron in Greek, for the iron oxides that formed) lasted from 3.5 Gya until the present. With the decline of volcanism and available water, the most notable surface weathering process has been the slow oxidation of the iron-rich rocks by atmospheric peroxides producing the red iron oxides that give the planet its familiar ...

  9. The Sun in Capricorn Opposite Mars Retrograde Is All About ...

    www.aol.com/sun-capricorn-opposite-mars...

    The Sun in Capricorn Opposite Mars Retrograde Is All About Ambition, and These 4 Signs Are About to Have Their Work-Life Balance Rocked. Valerie Mesa. January 15, 2025 at 7:00 AM.