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‘Polluted’ stellar graveyard gives glimpse of our Solar System after Sun’s implosion
Polluted stellar graveyard gives glimpse our Solar System Sun’s implosion
2013/5/27
By chemically sampling the atmospheres of two dead stars in the Hyades cluster 150 light years away, researchers at Cambridge and NASA/ESA’s Hubble Space Telescope have discovered the building blocks ...
Evaluation of Aerosol Particle Size at High Polluted Region in the World Using Direct Solar Radiation Measurements: Helwan as a Case Region
Aerosol optical depth particle size direct solar irradiance spectral region scattered light
2010/12/22
The estimation of the air aerosol number concentration variation was carried out in this study making use of data obtained from the Helwan, Egypt. The aerosol number concentration was determined indir...
Impact of Chemical Fire Accident on Spectral Solar Irradiance over Urban Environment -A Case Study
Aerosol Optical Depth Global irradiance Diffuse irradiance Direct normal irradiance Attenuation
2016/3/30
Varying levels of atmospheric pollution presently plague many large cities in the world and longterm
effect of urban aerosol layer on thermal climate received little attention. Aerosols are important...