vertyu said:
Radiation pressure is the force exerted by electromagnetic radiation on an object. It is caused by the transfer of momentum from photons, the particles of light, to the surface of the object.
Radiation pressure can cause objects to move or accelerate in the direction of the radiation. It can also apply a force on the surface of an object, which can lead to changes in its shape or structure.
The most common sources of radiation pressure are sunlight, starlight, and other forms of electromagnetic radiation. However, it can also be caused by other types of radiation, such as cosmic rays or radio waves.
Radiation pressure is typically measured in units of force per unit area, such as newtons per square meter. It can also be measured in units of energy, such as joules per second.
Radiation pressure has many practical applications, including in space propulsion systems, solar sails, and radiation pressure sensors. It also plays a crucial role in the formation and behavior of celestial bodies, such as stars and planets.