MyDataFarming







Definitions of H:
  • noun:   the 8th letter of the Roman alphabet
  • noun:   the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10\-34 joule-second
  • noun:   a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
  • noun:   a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
  • noun:   (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
    Example: "Enthalpy is the amount of energy in a system capable of doing mechanical work"



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Alternative Terms
ngc-604 triangulum-galaxy gas plasma light-year-2 star-formation hertzsprung-russell-diagram ultraviolet nebula supernova stellar-wind star-cluster pleiades ion atom hydrogen astronomy h-i-region electric-charge molecule galaxy eagle-nebula-pillars-jpg eagle-nebula naked-eye telescope 17th-century galileo-galilei orion-nebula johann-bayer nicolas-claude-fabri-de-peiresc 1610 william-herschel 1774 william-huggins margaret-lindsay-huggins spectrometer andromeda-galaxy star spectral-line wavelength-3 nanometre chemical-element astronomical-spectroscopy helium sun 1868 20th-century henry-norris-russell 1920s density electron metastability energy-level doubly-ionized-oxygen oxygen forbidden-mechanism ob-star radiation-pressure reflection-nebula tarantula-nebula-detail-jpg tarantula-nebula large-magellanic-cloud-2 molecular-cloud kelvin stellar-evolution photon-2 supersonic aerodynamics bok-globule ic-2944 bart-bok 1940s 1990 infrared solar-mass hubble-space-telescope protoplanetary-disk str-mgren-sphere-2 planetary-nebula magnetic-field gauss-unit tesla-unit electric-field interstellar-medium-2 nucleosynthesis whirlpool-galaxy spiral-galaxy irregular-galaxy elliptical-galaxy orion horsehead-nebula barnard-s-loop milky-way sn987a local-group trapezium-cluster-optical-and-infrared-comparison-jpg monoceros-r2-molecular-cloud omega-nebula gum-nebula sher-25