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gravity    音标拼音: [gr'ævəti] [gr'ævɪti]
n. 严肃,严重,认真;引力,地球引力,重力

严肃,严重,认真;引力,地球引力,重力

gravity
n 1: (physics) the force of attraction between all masses in the
universe; especially the attraction of the earth's mass for
bodies near its surface; "the more remote the body the less
the gravity"; "the gravitation between two bodies is
proportional to the product of their masses and inversely
proportional to the square of the distance between them";
"gravitation cannot be held responsible for people falling
in love"--Albert Einstein [synonym: {gravity}, {gravitation},
{gravitational attraction}, {gravitational force}]
2: a manner that is serious and solemn [synonym: {graveness},
{gravity}, {sobriety}, {soberness}, {somberness},
{sombreness}]
3: a solemn and dignified feeling [synonym: {gravity}, {solemnity}]
[ant: {levity}]

Gravity \Grav"i*ty\, n.; pl. {Gravities}. [L. gravitas, fr.
gravis heavy; cf. F. gravit['e]. See {Grave}, a., {Grief}.]
1. The state of having weight; beaviness; as, the gravity of
lead.
[1913 Webster]

2. Sobriety of character or demeanor. "Men of gravity and
learning." --Shak.
[1913 Webster]

129 Moby Thesaurus words for "gravity":
G, G suit, acuteness, adduction, affinity, allurement,
apogeotropism, attractance, attraction, attractiveness,
attractivity, augustness, avoirdupois, beef, beefiness, bleakness,
buckram, capillarity, capillary attraction, centripetal force,
ceremonial, ceremoniousness, ceremony, courtliness, darkness,
deadweight, decorousness, demureness, dignifiedness, dignity,
dismalness, drag, draw, dreariness, earnestness, elevation,
exigency, extrinsicality, fatness, form, formality, formalization,
geotropism, gloom, gloominess, grandeur, gravitation, graviton,
grimness, gross weight, heaviness, heft, heftiness, immediacy,
impersonality, importance, kingliness, liveweight, loftiness,
long face, lordliness, magnetism, magnitude, majesty, mass,
moderation, momentousness, mutual attraction, neat weight, net,
net weight, no joke, no laughing matter, nobility, overbalance,
overweight, pomp, pomposity, ponderability, ponderosity,
ponderousness, poundage, pride of bearing, pride of place,
primness, princeliness, proud bearing, pull, pulling power,
regality, reserve, rigidness, ritual, rituality, sedateness,
seriousness, severity, significance, sober-mindedness, soberness,
sobersidedness, sobersides, sobriety, solemnity, solemnness,
somberness, specific gravity, staidness, starchiness, stateliness,
stiffness, stiltedness, straight face, stylization, sublimity,
sympathy, temperance, thoughtfulness, tonnage, traction, tug,
underweight, urgency, venerability, wearifulness, wearisomeness,
weight, weightiness, worthiness


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  • What is gravity? - NASA
    Furthermore, he deduced that gravity forces exist between all objects Newton's "law" of gravity is a mathematical description of the way bodies are observed to attract one another, based on many scientific experiments and observations
  • Matter in Motion: Earths Changing Gravity | NASA Earthdata
    A new satellite mission sheds light on Earth's gravity field and provides clues about changing sea levels
  • Gravity Gravitational Field - NASA Earthdata
    Gravity Gravitational Field Data from NASA satellite observations provide information about Earth's mean gravity field and inform monthly maps of the time-variable gravity field, both of which are useful tools for scientists as they study the planet's changing climate
  • StarChild: Glossary - NASA
    GRAVITATIONAL PULL See Gravity GRAVITY The force of attraction between two objects which is influenced by the mass of the two objects and the distance between the two objects GYROSCOPE A heavy wheel or disk mounted so that its axis can turn freely in one or more directions A spinning gyroscope tends to resist change in the direction of its axis
  • Teachers Center Activity: Gravity Effects on Planet Motion - NASA
    1 Introduction: Review the definition of gravity Drop a ball and explain why it falls downward Explain that the strength of a gravitational pull is determined by the masses of the objects involved and the distance between the objects Hold up a scale model of Earth and a scale model of the Sun Inquire as to which object would exert a stronger pull
  • StarChild: Stars - NASA
    Gravity causes the last of the star's matter to collapse inward and compact This is the white dwarf stage which is extremely dense White dwarfs shine with a white hot light but once all of their energy is gone, they die The star has now reached the black dwarf phase
  • StarChild: Did you know. . . (The Sun) - NASA
    The Sun's gravitational pull is so strong that a 100 pound person would weigh 28 times that, or 2800 pounds, on the Sun
  • Matter in Motion: Earths Changing Gravity - Earthdata
    This map, created using data from the Gravity Recovery and Climate Experiment (GRACE) mission, reveals variations in the Earth's gravity field Dark blue areas show areas with lower than normal gravity, such as the Indian Ocean (far right of image) and the Congo river basin in Africa Dark red areas indicate areas with higher than normal gravity
  • Sir Isaac Newton - NASA
    As the years progressed, Newton completed his work on universal , diffraction of light, centrifugal force, centripetal force, inverse-square law, bodies in motion and the variations in tides due to gravity His impressive body of work made him a leader in scientific research
  • Getting at Groundwater with Gravity - NASA Earthdata
    NASA’s twin Gravity Recovery and Climate Experiment (GRACE) satellites can detect groundwater by measuring subtle variations in Earth’s gravity This image shows the world’s average annual cycle of water storage on land, computed from four years of GRACE gravity data Colors indicate how much groundwater comes and goes, each year, in various regions; red indicates high levels of annual





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