Light ratio in astronomy
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ALBEDOLight ratio in astronomy
ALBEDOReflection ratio. in astronomy
secpar(in astronomy) a unit of distance equivalent to 3.262 light years
cepheidsany of a class of variable stars whose very regular light variations are related directly to their intrinsic luminosities and whose apparent luminosities are used to estimate distances in astronomy
parsecsA unit of distance used in astronomy, equal to about 3.25 light years (3.08 Î 1016 meters). One parsec corresponds to the distance at which the mean radius of the earth's orbit subtends an angle of one second of arc
ALBEDOAstronomer's light ratio
ALBEDOLight reflection ratio
ALBEDOPlanetary reflected-light ratio
ALBEDOPlanetary light-reflection ratio
transmittanceThe ratio of the light energy falling on a body to that transmitted through it
transmittancesThe ratio of the light energy falling on a body to that transmitted through it
albedosthe ratio of the light reflected by a planet or satellite to that received by it
albedothe ratio of the light reflected by a planet or satellite to that received by it