24 relations: Angle of incidence (optics), Axial tilt, Daytime, Declination, Earth, Earth's orbit, Earth's rotation, Heat, Noon, North Pole, Northern Hemisphere, Polar night, Rotation around a fixed axis, Season, Sine, Solar irradiance, South Pole, Southern Hemisphere, Sun, Sun path, Sunlight, Thermal energy, Thermal radiation, Trigonometry.
Angle of incidence (optics)
In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal.
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Axial tilt
In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.
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Daytime
On Earth, daytime is roughly the period of the day during which any given point in the world experiences natural illumination from especially direct sunlight.
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Declination
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Earth's orbit
Earth's orbit is the trajectory along which Earth travels around the Sun.
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Earth's rotation
Earth's rotation is the rotation of Planet Earth around its own axis.
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Heat
In thermodynamics, heat is energy transferred from one system to another as a result of thermal interactions.
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Noon
Noon (also midday or noon time) is 12 o'clock in the daytime, as opposed to midnight.
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North Pole
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.
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Northern Hemisphere
The Northern Hemisphere is the half of Earth that is north of the Equator.
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Polar night
The polar night occurs in the northernmost and southernmost regions of the Earth when the night lasts for more than 24 hours.
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Rotation around a fixed axis
Rotation around a fixed axis or about a fixed axis of revolution or motion with respect to a fixed axis of rotation is a special case of rotational motion.
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Season
A season is a division of the year marked by changes in weather, ecology, and amount of daylight.
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Sine
In mathematics, the sine is a trigonometric function of an angle.
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Solar irradiance
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
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South Pole
The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface.
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Southern Hemisphere
The Southern Hemisphere is the half of Earth that is south of the Equator.
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Sun
The Sun is the star at the center of the Solar System.
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Sun path
Sun path, sometimes also called day arc, refers to the daily and seasonal arc-like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun.
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Sunlight
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.
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Thermal energy
Thermal energy is a term used loosely as a synonym for more rigorously-defined thermodynamic quantities such as the internal energy of a system; heat or sensible heat, which are defined as types of transfer of energy (as is work); or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.
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Thermal radiation
Thermal radiation is electromagnetic radiation generated by the thermal motion of charged particles in matter.
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Trigonometry
Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles.
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Redirects here:
Effect of sun angle on climate, How directness of sunlight causes warmer weather.
References
[1] https://en.wikipedia.org/wiki/Effect_of_Sun_angle_on_climate