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  2. Oxygen - Wikipedia

    en.wikipedia.org/wiki/Oxygen

    Oxygen is the third most abundant chemical element in the universe, after hydrogen and helium. [68] About 0.9% of the Sun's mass is oxygen. [19] Oxygen constitutes 49.2% of the Earth's crust by mass [69] as part of oxide compounds such as silicon dioxide and is the most abundant element by mass in the Earth's crust.

  3. Solid oxygen - Wikipedia

    en.wikipedia.org/wiki/Solid_oxygen

    Oxygen is the only simple diatomic molecule (and one of the few molecules in general) to carry a magnetic moment. [1] This makes solid oxygen particularly interesting, as it is considered a "spin-controlled" crystal [1] that displays antiferromagnetic magnetic order in the low temperature phases.

  4. Chalcogen - Wikipedia

    en.wikipedia.org/wiki/Chalcogen

    Oxygen also occurs in many minerals, being found in all oxide minerals and hydroxide minerals, and in numerous other mineral groups. [55] Stars of at least eight times the mass of the Sun also produce oxygen in their cores via nuclear fusion. [13] Oxygen is the third-most abundant element in the universe, making up 1% of the universe by weight ...

  5. 50 ‘Unbelievable Facts’ To Make You The Most Interesting ...

    www.aol.com/79-most-interesting-fascinating...

    And the Instagram page ‘Unbelievable Facts’ is one of the best places to do just that. Every day, they share fascinating trivia, building a collection that now includes over 10,000 unique facts.

  6. 30 Strange But Interesting Facts To Satisfy Your Never ... - AOL

    www.aol.com/70-undiscovered-facts-might-not...

    30 Strange But Interesting Facts To Satisfy Your Never-Ending Need For Knowledge. Mantas Kačerauskas. December 24, 2024 at 4:30 AM. Winter, and the holidays especially, ...

  7. Geological history of oxygen - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of_oxygen

    Photosynthetic prokaryotic organisms that produced O 2 as a byproduct lived long before the first build-up of free oxygen in the atmosphere, [5] perhaps as early as 3.5 billion years ago. The oxygen cyanobacteria produced would have been rapidly removed from the oceans by weathering of reducing minerals, [citation needed] most notably ferrous ...

  8. 50 Random And Interesting Facts You Might Not Know ... - AOL

    www.aol.com/80-random-interesting-facts-might...

    BSc meteorologist Janice Davila tells Bored Panda that one of the most unknown facts from her field of expertise is that weather radars are slightly tilted upward in a half-degree (1/2°) angle.

  9. Earth's outer core - Wikipedia

    en.wikipedia.org/wiki/Earth's_outer_core

    The light elements sulfur, silicon, oxygen, carbon, and hydrogen may constitute part of the outer core due to their abundance and ability to partition into liquid iron under certain conditions. The depletion of siderophile elements in Earth's mantle compared to chondritic meteorites is attributed to metal-silicate reactions during formation of ...