Our Sun shines bright with a luminosity of 3.828 x 1026 Watt. Her energy is responsible for many processes and the habitable temperatures on the Earth that make our life possible. (a) Calculate the amount of energy arriving on the Earth in a single day. (b) To how many litres of heating oil (energy density: 37.3 x 10° J/litre) is this equivalent? (c) The Earth reflects 30% of this energy: Determine the temperature on Earth's surface. (d) What other factors should be considered to get an even more precise temperature estimate? Note: The Earth's radius is 6370 km; the Sun's radius is 696 x 103 km; 1 AU is 1.495 x 108 km.

Question
Our Sun shines bright with a luminosity of 3.828 x 1026 Watt. Her energy is responsible for many
processes and the habitable temperatures on the Earth that make our life possible.
(a) Calculate the amount of energy arriving on the Earth in a single day.
(b) To how many litres of heating oil (energy density: 37.3 x 10° J/litre) is this equivalent?
(c) The Earth reflects 30% of this energy: Determine the temperature on Earth's surface.
(d) What other factors should be considered to get an even more precise temperature estimate?
Note: The Earth's radius is 6370 km; the Sun's radius is 696 x 103 km; 1 AU is 1.495 x 108 km.
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Transcribed Image Text

Our Sun shines bright with a luminosity of 3.828 x 1026 Watt. Her energy is responsible for many processes and the habitable temperatures on the Earth that make our life possible. (a) Calculate the amount of energy arriving on the Earth in a single day. (b) To how many litres of heating oil (energy density: 37.3 x 10° J/litre) is this equivalent? (c) The Earth reflects 30% of this energy: Determine the temperature on Earth's surface. (d) What other factors should be considered to get an even more precise temperature estimate? Note: The Earth's radius is 6370 km; the Sun's radius is 696 x 103 km; 1 AU is 1.495 x 108 km.

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