Moving Ripples https://www.meteoros.de/themen/halos/arbeit-des-akm/moving-ripples/
b) The progress of the wavefront is affected by changes in temperature and molecular
b) The progress of the wavefront is affected by changes in temperature and molecular
b) The progress of the wavefront is affected by changes in temperature and molecular
course we can support only few citizen science projects with the limited revenues we have