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  2. Cosmochemistry - Wikipedia

    en.wikipedia.org/wiki/Cosmochemistry

    Meteorites are often studied as part of cosmochemistry. Cosmochemistry (from Ancient Greek κόσμος (kósmos) 'universe' and χημεία (khēmeía) 'chemistry') or chemical cosmology is the study of the chemical composition of matter in the universe and the processes that led to those compositions. [1]

  3. List of largest cosmic structures - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_cosmic...

    This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are listed based on their longest dimension.

  4. 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.

  5. Recombination (cosmology) - Wikipedia

    en.wikipedia.org/wiki/Recombination_(cosmology)

    The time frame for recombination can be estimated from the time dependence of the temperature of the cosmic microwave background (CMB). [4] The microwave background is a blackbody spectrum representing the photons present at recombination, shifted in energy by the expansion of the universe.

  6. Cosmological horizon - Wikipedia

    en.wikipedia.org/wiki/Cosmological_horizon

    The particle horizon differs from the cosmic event horizon, in that the particle horizon represents the largest comoving distance from which light could have reached the observer by a specific time, while the cosmic event horizon is the largest comoving distance from which light emitted now can ever reach the observer in the future. [3]

  7. Decoupling (cosmology) - Wikipedia

    en.wikipedia.org/wiki/Decoupling_(cosmology)

    Another example is the neutrino decoupling which occurred within one second of the Big Bang. [4] Analogous to the decoupling of photons, neutrinos decoupled when the rate of weak interactions between neutrinos and other forms of matter dropped below the rate of expansion of the universe, which produced a cosmic neutrino background of freely streaming neutrinos.

  8. These Batch Cosmos Are Made to Serve a Crowd - AOL

    www.aol.com/batch-cosmos-made-serve-crowd...

    Yields: 4 servings. Prep Time: 5 mins. Total Time: 5 mins. Ingredients. 8 oz. citrus vodka. 4 oz. cranberry juice cocktail. 3 oz. fresh lime juice. 3 oz. triple sec ...

  9. Theoretical astronomy - Wikipedia

    en.wikipedia.org/wiki/Theoretical_astronomy

    Reaction equations and large reaction networks are an important tool in theoretical astrochemistry, especially as applied to the gas-grain chemistry of the interstellar medium. [8] Theoretical astrochemistry offers the prospect of being able to place constraints on the inventory of organics for exogenous delivery to the early Earth.