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Because both of those mechanisms take place in physical material stuff,
of which there isn't any between the sun and the Earth.
What else can I help you with?
What can radiation not do that convection and conduction can do?
Since radiation is done by electromagnetic waves, it can travel through space. i.e no matter is required. That way you can heat up objects through space. Or, for example, the earth gets heated by the suns electromagnetic waves.
Transfer of energy from sun to earth?
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.
The suns energy reaches the earth by what type of heat transfer?
Electromagnetic radiation. Light is the best known form of electromagnetic radiation, but the Sun puts out radiation across a wide spectrum of frequencies, from all the down where AM radio is, up through X-rays. Any radiation that gets absorbed (even a little bit) heats up the earth. There is some radiation (infrared) that we can perceive directly with our skin, but others (microwaves and light are two examples) can be absorbed by something, and then re-radiated as heat (or the things that absorbed the radiation get hotter and they heat things around them up by conduction.) But it all starts with some kind of radiation emitted by the sun being absorbed by something here on earth.
Why does the suns heat make us hot?
The sun's heat warms the Earth's surface, which in turn warms the air around us through a process called conduction. As our bodies absorb this heat, our internal temperature rises, causing us to feel hot. Additionally, direct exposure to sunlight can increase our body temperature through radiation.
What is the process that transfers the suns energy from particle to particle?
The process that transfers the Sun's energy from particle to particle is called radiation. In this process, energy is transferred in the form of electromagnetic waves, such as light and heat, which travel through the vacuum of space and are absorbed by particles in the Sun's atmosphere and eventually reach Earth.
Is the suns energy radiant?
Yes. Here's a logical proof: There are three ways to transfer energy from place to place: --Conduction, --Convection, --Radiation. Conduction and convection need a 'medium' ... a substance to conduct or convect through. Radiation doesn't need anything to travel through. There is no medium ... no substance ... in the space between the sun and the earth, but heat and light from the sun reach the earth constantly. Since there is no medium for it to travel through, it can't be getting here by means of conduction or convection. The only possibility is radiation.
Why can't the suns heat reach us by conduction or convection?
because there is no medium, conduction and convection need medium to spread through, they cannot spread through vacuum.
What kind of relationship do radiation conduction and convection have?
they all come and are connected from the sun, they process it through the suns energy.
What can radiation not do that convection and conduction can do?
Since radiation is done by electromagnetic waves, it can travel through space. i.e no matter is required. That way you can heat up objects through space. Or, for example, the earth gets heated by the suns electromagnetic waves.
How does the suns energy reach Earth?
Waves of heat and light, called radiation, travel to earth.
Transfer of energy from sun to earth?
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.
How is the troposphere heated?
The process of the troposphere is that the lower layer (which is this one) is heated by the sun that the heat comes from the upper layers. Also the troposphere is the atmosphere we live in the weather in other words. Which is 0-10km.
What is the term that refers to the suns energy being trapped in your atmosphere?
convection
Why on earth are the suns rays spread ot all the time?
the sun rays strike the surface at different angles as earth travel around the sun
What do these tornadoes with there currents create around the earth to protect it from the suns solar wind?
Tornadoes have nothing to do with protecting Earth from the solar wind. Convection currents in Earth's core create a magnetic field that protects against the solar wind.
What would happen on earth the Suns radiation could not travel through space?
If the sun's radiation could not travel through space, then the Earth would be a cold, dark, frozen rock, and nothing would have ever happened on it.
How do the suns ray's travel to earth?
Light is a wave that travels through space across matter. The same way that waves travel from the center of a pond to the edges when you toss a stone in it.
