For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

At the center of these side-by-side images is a special class of star used as a milepost marker for measuring the universe’s rate of expansion – a Cepheid variable star. The two images are ...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

(1) THE determination of the past duration of solar radiation, and, consequently, the problem of the age of the inhabitable earth, imposes upon theories of radiation a difficulty the magnitude and ...

The Fourier transform is a mathematical analogy, but should not be taken as a suggestion that the star is actually pulsating in several modes. The use of mathematical analogies is discussed in ...