Cold molecular clouds as cosmic ray detectors

The ionization of the neutral gas in an interstellar molecular cloud plays a key role in the cloud's evolution, helping to regulate the heating and cooling processes, the chemistry and molecule formation, and coupling the ...

Researchers study black carbon aerosol in urban Beijing

Black carbon (BC) is the product of incomplete combustion of fossil fuels, biofuel and biomass. By strongly absorbing solar radiation, BC can heat the atmosphere, affect its stability, and further deteriorate air quality.

page 18 from 40