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Of the three types of heat transfer; Conduction, Convection and Radiation - only radiation (or electromagnetic radiation) is received directly from the sun by earth (though it may get converted once it arrives at Earth). This is due to space being a Vacuum, so convection and conduction don't carry the suns energy.
Addition: The sun transfers gravitational energy E = -meGMs/r, to the earth.
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ProfessorEnergy from the sun is transferred to Earth through electromagnetic radiation, primarily in the form of visible light and infrared radiation. This energy is absorbed by the Earth's surface and then re-radiated back into the atmosphere as heat. This process is crucial for maintaining the planet's temperature and supporting life.
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What is the emissivity of the sun and how does it impact the transfer of energy in the Earth's atmosphere?
The emissivity of the sun is nearly 1, meaning it emits a lot of energy. This energy is absorbed by the Earth's atmosphere, warming it up. This process plays a key role in the transfer of energy within the Earth's atmosphere, influencing weather patterns and climate.
Radiation transfers energy from the Sun to various parts of the Earth and its atmosphere. What process is driven by this transfer of energy?
The transfer of energy from the Sun to the Earth and its atmosphere through radiation drives processes such as weather patterns, ocean currents, and the overall climate system. This energy input is essential for sustaining life and maintaining the Earth's temperature.
Why is energy from the sun not transferred by conduction or convention?
Energy from the sun is transferred by radiation because space is a vacuum that does not contain matter which can transfer heat by conduction or convection. Radiation is the transfer of energy in the form of electromagnetic waves, and it is how heat from the sun reaches the Earth.
What carries this energy from the sun to earth?
The energy from the sun reaches Earth through electromagnetic radiation, in the form of sunlight. This energy travels through the vacuum of space in the form of photons, which carry the electromagnetic force and transfer energy to Earth when absorbed by the atmosphere and surface.
What type of heat transfer allows the Sun's heat to reach the Earth?
The Sun's heat reaches the Earth through radiation, which is a type of heat transfer where energy is transmitted in the form of electromagnetic waves.
