The sun emits EM radiation by the process of nuclear fusion. The gamma rays that are produced in the core are scattered and absorbed in the sun by the plasma. The gain in KE of some of the particals that undergo nuclear fusion also helps to heat up the sun.
Does the sun give out electromagnetic waves?
All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays.
What electromagnetic waves make up sunlight?
Though the sun emits all of the different kinds of electromagnetic radiation, 99% of its rays are in the form of visible light, ultraviolet rays, and infrared rays (also known as heat).
How does energy from the sun enter the atmosphere?
Energy is transferred from the sun to Earth via electromagnetic waves, or radiation. Most of the energy that passes through the upper atmosphere and reaches Earth’s surface is in two forms, visible and infrared light. … This transfer of energy can take place by three processes: radiation, conduction, and convection.
What is the energy from the sun called?
Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.
How does the sun produce visible light?
Visible light, for example, comes from the photosphere (or surface) whereas most infrared light comes from the lower chromosphere just above. Much of the high-energy UV and X-ray photons come from the Sun’s outer atmosphere (called the corona).
How does the sun produce light?
The Sun produces light by a nuclear reaction called fusion. As atoms of hydrogen combine to form helium, they produce vast amounts of heat and light. Sunlight appears white, but it contains a mixture of all the colours of the rainbow: red, orange, yellow, green, blue, indigo, and violet.
What happens to the light coming from the sun?
In the case of the sun, what happens is that all the newly formed light from the core hits the inner layer of the radiation zone and is absorbed. This zone is opaque to light, so it’s constantly being absorbed and then spat back out by the atoms in the radiation zone.
Does the Earth lose heat to space?
Since Earth is surrounded by the vacuum of outer space, it cannot lose energy through conduction or convection. Instead, the only way the Earth loses energy to space is by electromagnetic radiation.
What happens to the sunlight that hits Earth’s surface?
what happens to sunlight that hits Earth’s surface? the sunlight is absorbed by Earth’s surface and then the light is reflected back by Earth’s surface.
Does the sun give us energy?
Without the Sun’s heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.