The moon's period of rotation around the Earth is identical to its rotation about its axis. What are the odds of this happening by chance, or are there physics behind this occurrence? originally ...
Feeding frenzy: artist’s illustration of a cataclysmic variable with a white dwarf (right) feeding upon a Sun-like donor star. (Courtesy: M Weiss/Center for Astrophysics/Harvard & Smithsonian) ...
Russian astronomers from the Sternberg Astronomical Institute (SAI) have analyzed long-term observational data of a peculiar microquasar designated SS 433. Results of the new study, published May 13 ...