The Sun emits at all wavelengths--very short, intermediate, very long--but most of its radiation is centered somewhere close to about--well, I'll put some numbers on here in just a minute. So there's a range here from 0.4 to 0.7 microns that's what we call the visible part of ...
The diagram shows the sun's radiation emission by wavelength. It emits most of its light in the visible spectrium... this is no coincidence; of course animals evolved to make use of the most abundant frequencies. The peak is in the green area, but the overall light is white. The sun'...
在夜间,地球表面发射辐射。 During the night, earth emits radiation from its suce.A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生
Sun The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy mainly as visible light, ultraviolet light, and infrared radiation. Earth Earth is the third planet...
(1) The sun emits a steady flux of shortwave radiation, which is absorbed by the ocean. (2) The ocean emits a steady flux of longwave radiation, which is absorbed by the atmosphere. (3) The atmosphere emits a steady flux of longwave radiation, part of which is absorbed by the ocean ...
give out,emit,give off- give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.; "The ozone layer blocks some harmful rays which the sun emits" 2.ray- extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub...
Human normal primary fibroblasts were irradiated with either UV-B or UV-A, to determine the role of each radiation in the PBSA phototoxicity. To assess the effect of UV-B on PBSA phototoxicity, human primary fibroblasts were irradiated with 50 kJ m−2 UV-B in the presence of PBSA (0–...
Officially, the sun is classified as a G2 type star, based on its temperature and the wavelengths or spectrum of light that it emits. There are lots of G2s out there, and Earth's sun is merely one of billions of stars that orbit the center of our galaxy, made up of the ...
As a simple rule of thumb, the hotter the object, the higher the frequencies of the light it emits. At room temperature, objects mostly emit light in the infrared region. However, when a coal fire gets hot enough, it also starts emitting light at higher frequencies, i.e., in the visib...
The Sun's magnetic field is very strong (by terrestrial standards) and very complicated. Its magnetosphere (also known as the heliosphere) extends well beyondPluto15. In addition to heat and light, the Sun also emits a low density stream of charged particles (mostly electrons and protons) know...