DR. CHREE has obligingly sent me a copy of his paper entitled “The Relationship between the Solar Constant and Terrestrial Magnetism” (Proc. Roy. Soc. A 109, 1925). He finds no indication in the solar ...

Using more than half a century of observations, Japanese astronomers have discovered that the microwaves coming from the Sun at the minimums of the past five solar cycles have been the same each time, ...