Calculate the energy flux density at the average distance of Venus from the Sun rv (energy flux divided by surface area of sphere) Venus' distance from the Sun = rv = 1.082 x 1013 cmF = L /(4prv2)   =   ________________ ergs/sNext Calcuate the Amount of Solar Energy absorbed by Venus is the surface area of Venus which is facing the Sun (1/2 of  Venus' surface area = 4pdv2 / 2 = 2pdv2 ) .  Where dv =  6.052 x 106 cm is the radius of Venus. So Venus receives : E = F (2pdv2) =  __________________ ergs/s  from the Sun.The fraction of the energy flux received which is reflected into space is the albedo of Venus, av, which is about 0.76.  The fraction of the energy flux which is absorbed is then (1-av) = 1. - 0.76 = 0.24.  So the amount of energy actually absorbed by Venus in each second is Lv = (1-av)Ev.Lv = (1-av)Ev = ___________________ ergs/s

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Calculate the energy flux density at the average distance of Venus from the Sun rv (energy flux divided by surface area of sphere)
Venus' distance from the Sun = rv = 1.082 x 1013 cmF = L /(4prv2)   =   ________________ ergs/sNext Calcuate the Amount of Solar Energy absorbed by Venus is the surface area of Venus which is facing the Sun (1/2 of  Venus' surface area = 4pdv2 / 2 = 2pdv2 ) .  Where dv =  6.052 x 106 cm is the radius of Venus.

So Venus receives :

E = F (2pdv2) =  __________________ ergs/s  from the Sun.The fraction of the energy flux received which is reflected into space is the albedo of Venus, av, which is about 0.76.  The fraction of the energy flux which is absorbed is then (1-av) = 1. - 0.76 = 0.24.  So the amount of energy actually absorbed by Venus in each second is Lv = (1-av)Ev.Lv = (1-av)Ev = ___________________ ergs/s

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