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sunlight    音标拼音: [s'ʌnl,ɑɪt]
n. U阳光

U阳光

sunlight
n 1: the rays of the sun; "the shingles were weathered by the
sun and wind" [synonym: {sunlight}, {sunshine}, {sun}]

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  • Sunlight - Wikipedia
    Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be used to synthesize carbohydrates and fuel the organisms' activities
  • Sunlight | Definition, Wavelengths, Facts | Britannica
    Sunlight, solar radiation that is visible at Earth’s surface The amount of sunlight is dependent on the extent of the daytime cloud cover Some places on Earth receive more than 4,000 hours per year of sunlight, as in the Sahara; others receive less than 2,000, as in regions of frequent storminess
  • Hurricane, UT Sunrise and Sunset Times
    Check accurate sunrise and sunset times for any day and any location in the world Sunrise-Sunset © 2014 - 2026 Sunrise and sunset in Hurricane, Utah as well as day length, twilight and solar noon for every day of the year
  • Solar Radiation Basics - Department of Energy
    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
  • Absorption reflection of sunlight - Understanding Global Change
    When sunlight strikes the Earth, it is mostly reflected or absorbed Reflected light bounces back into space while absorbed light is the source of energy that drives processes in the atmosphere, hydrosphere, and biosphere
  • Sunlight - Energy Education
    Sunlight, also known as solar radiation, refers to the incoming light to the Earth that originated from the Sun This light represents a portion of the electromagnetic spectrum that includes infrared, visible light, and ultraviolet light
  • What kind of light does the Sun emit? | High Altitude Observatory
    Types of light that have less energy than we can see are infrared, microwave and radio Your microwave heats your food with microwave light that we can’t see If you turn on a radio you are using another type of light that you can’t see The Sun, and the stars, give off all these kinds of light!
  • The Power of the Sun - Education
    Solar cells convert sunlight directly into electricity The amount of power generated by each cell is very low Therefore, large numbers of cells must be grouped together, like the panels mounted on the roof of a house, to generate enough power The first solar cell was constructed in the 1880s
  • How to Measure Sunlight: Tools, Units, and Methods
    Learn how sunlight is measured, from lux and PAR to UV index, and which tools work best for plants, photography, or everyday use
  • Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
    Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air Blue light is scattered more than the other colors because it travels as shorter, smaller waves This is why we see a blue sky most of the time





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