THE results at which M. Ch. Montigny had arrived with regard to stars (see NATURE, vol, xiv. p. 562) have since been thoroughly confirmed by his further researches on this subject. The series of ...

THE EARTH’S IONOSPHERE. It’s both a blessing and a curse. Together with the magnetosphere, it helps to protect life on our planet from the damaging outpour of particle and electromagnetic radiation ...

Atmospheric turbulence, specifically variations in temperature and density of air pockets, causes stellar scintillation (twinkling). Scintillation manifests as changes in a star's apparent position, ...

Figure 1: Diagram showing the projection of the interstellar scintillation onto the Solar System. The observations presented here were conducted simultaneously with the National Radio Astronomy ...