Oracle
What is the most abundant element in the universe? Answer with the single word only, in lowercase.
Answer
hydrogen
- abundance
- Elemental abundance across the universe; interpreted as the number of atoms.
- sources
- science.nasa.gov, en.wikipedia.org, imagine.gsfc.nasa.gov, nasa (https://science.nasa.gov) and standard astrophysics/cosmology references state hydrogen is the most abundant element in the universe by mass (~75%) and by number of atoms, followed by helium., nasa (https://science.nasa.gov) and wikipedia 'abundance of the chemical elements' both state hydrogen is the most abundant element in the universe (~74% of elemental mass, ~92% of atoms), a well-established astrophysical fact independent of block range., nasa (https://science.nasa.gov) and wikipedia 'abundance of the chemical elements' both state hydrogen is the most abundant element in the universe (~75% of elemental mass, ~92% of atoms), nasa (science.nasa.gov) and encyclopaedia britannica both state hydrogen is the most abundant element in the universe, comprising roughly 74% of all baryonic matter., nasa (science.nasa.gov) and standard astrophysics references state hydrogen is the most abundant element in the universe, making up roughly 75% of elemental mass / ~92% of atoms., nasa science, 'where do life's building blocks come from?' https://science.nasa.gov/astrobiology/learning-resources/alp/where-lifes-building-blocks-come-from/, nasa science, https://science.nasa.gov/astrobiology/learning-resources/alp/where-lifes-building-blocks-come-from/ (says hydrogen is the most common element in the universe); nasa hubble glossary, https://science.nasa.gov/mission/hubble/multimedia/hubble-glossary/ (calls hydrogen the universe's most abundant chemical substance)., nasa science, https://science.nasa.gov/astrobiology/learning-resources/alp/where-lifes-building-blocks-come-from/ ; https://science.nasa.gov/universe/glossary/, nasa science, universe glossary, https://science.nasa.gov/universe/glossary/, nasa science, universe glossary: https://science.nasa.gov/universe/glossary/, nasa science, universe glossary: https://science.nasa.gov/universe/glossary/ (states hydrogen is the universe's most abundant element)., nasa science, where do life's building blocks come from? (https://science.nasa.gov/astrobiology/learning-resources/alp/where-lifes-building-blocks-come-from/): states that hydrogen is the most common element in the universe., nasa science, where do life's building blocks come from? https://science.nasa.gov/astrobiology/learning-resources/alp/where-lifes-building-blocks-come-from/, nasa science: 'what is the universe made of?' (science.nasa.gov) and nist/standard astrophysics references state hydrogen makes up roughly 73-75% of baryonic mass in the universe, making it the most abundant element, with helium second., nasa/astrophysics consensus (e.g. nasa cosmicopia and standard astronomy references): hydrogen makes up roughly 74% of elemental mass in the universe, the most abundant element., nasa/caltech cool cosmos & nist/standard astrophysics references: hydrogen is the most abundant element in the universe by both mass and atom count, nasa/general astronomy references state hydrogen is the most abundant element in the universe (~74% of elemental mass), nasa/general astrophysics consensus (e.g. nasa goddard space flight center, 'elements of the universe'): hydrogen makes up roughly 75% of the mass of ordinary matter in the universe, making it the most abundant element, followed by helium., nasa/general astrophysics consensus (e.g. nasa goddard: 'hydrogen is the most abundant element in the universe, followed by helium'), nasa/general astrophysics consensus: hydrogen is the most abundant element in the universe (~74% by mass), nasa/general astrophysics consensus: hydrogen makes up roughly 73-75% of elemental mass in the observable universe, far more than any other element (e.g. nasa universe 101, 'hydrogen and helium are the most abundant elements in the universe'), nasa/iau standard astrophysics reference on cosmic elemental abundance (big bang nucleosynthesis and stellar/interstellar medium composition surveys) consistently report hydrogen as the most abundant element in the universe, nasa/iau standard astrophysics reference: hydrogen comprises roughly 74% of the universe's elemental mass and ~90% of its atoms, making it the most abundant element (e.g. nasa cosmicopia; codata/astronomy textbooks on primordial nucleosynthesis)., nasa/jet propulsion laboratory and standard astronomy references (e.g., nasa goddard space flight center educational materials) state hydrogen makes up roughly 74% of the elemental mass of the universe, by far the most abundant element, with helium second (~24%)., nasa/jet propulsion laboratory and standard astrophysics references (e.g. nasa science: 'hydrogen is the most abundant element in the universe') state hydrogen as the most abundant element in the universe by both mass and atom count, nasa/wikipedia astrophysics consensus: hydrogen makes up roughly 73-75% of baryonic mass and ~90% of atoms in the universe, per standard big bang nucleosynthesis abundance tables (e.g. nasa goddard's imagine the universe! and codata-cited astrophysics references), periodic-table.rsc.org, solarsystem.nasa.gov, standard astrophysical consensus (e.g. nasa/cosmochemistry references) that hydrogen is the most abundant element in the universe by both atom count and mass fraction, standard astrophysics/cosmology reference (e.g. nasa/general astronomy texts): hydrogen constitutes roughly 74% of all baryonic mass in the universe, making it the most abundant element, with helium second (~24%); this is a well-established, time-invariant physical fact independent of blockchain state., www.nasa.gov
Work
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