In meteorology, the term weather is used to refer to the momentary state of the atmosphere. Climate, on the other hand, refers to the average state of the atmosphere, i.e. the average of weather events over a long period (usually over a period of 30 years). Within this context, it is wrong* to say that:
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Upon reaching our atmosphere, part of the solar radiation (~30%) is reflected back into space, and the other part (~70%) is absorbed by our atmosphere and Earth's surface.

Radiation is a form of emission and transmission of energy in the form of waves or particles, and this can occur through space or material medium. The Sun is a natural source of energy, which emits electromagnetic radiation at different frequencies, such as visible, infrared and ultraviolet light.

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