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1. Dictionary

   gravity

   /ˈɡravɪti/

   noun

   • 1. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass. Similar attractionattracting forcedownward forcepullweightheaviness
   • ▪ the degree of intensity of gravity, measured by acceleration.
   • 2. extreme importance; seriousness: "crimes of the utmost gravity" Similar seriousnessimportanceprofunditysignificancemomentousnessmomentweightinessweightconsequencemagnitudecriticalnessacutenesscrucialityurgencyexigencedirenessterriblenessawfulnessdreadfulnessprecariousnessperilousnessperilhazarddangerthreatmenaceriskinformal:hairinessiffinesschancinessdodginessformal:egregiousnessOpposite triviality
   • 3. solemnity of manner: "has the poet ever spoken with greater eloquence or gravity?" Similar solemnityseriousnesssombrenesssobrietysobernessseverityunsmilingnessstone-facednesslong-facednessgrim-facednessgrimnesshumourlessnessgloominesspreoccupationthoughtfulnessdignitystaidnessdournessaloofnessOpposite cheerfulnesslevity

   Word Origin late 15th century (in gravity (sense 2)): from Old French, or from Latin gravitas ‘weight, seriousness’, from gravis ‘heavy’. gravity (sense 1) dates from the 17th century.

   Scrabble Points: 14

   • G

     2

   • R

     1

   • A

     1

   • V

     4

   • I

     1

   • T

     1

   • Y

     4

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2. en.wikipedia.org › wiki › Dimensional_analysisDimensional analysis - Wikipedia

   en.wikipedia.org › wiki › Dimensional_analysis

   • Cached

   17 hours ago · Dimensional analysis. In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric current) and units of measurement (such as metres and grams) and tracking these dimensions as calculations or comparisons ...

3. Videos

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     Defining Gravity: Crash Course Kids #4.1

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     Gravity Explained Simply

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     Gravity for Kids | Learn all about how gravitational force works

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4. en.wikipedia.org › wiki › Stellar_classificationStellar classification - Wikipedia

   en.wikipedia.org › wiki › Stellar_classification

   • Cached

   17 hours ago · In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines. Each line indicates a particular chemical element ...