Cosmological Constant

  • Painting of the Week

    Butterfly

    Diana Battefeld, Butterfly, 2015 [Oil on Canvas]. After an image of NGC 6302, photographed by NASA’s Wide Field Camera 3 (WFC3), ESA, and the Hubble SM4 ERO Team. Aleksander Friedmann did not live to see the impact of his discovery. He died in 1925. The significance of his work was not appreciated until two years …

  • Painting of the Week

    Death of a Star

    Diana P. Battefeld, Death of a Star, 2015 [Oil on Canvas] Göttingen. After an image taken by the High-Z Supernova Search Team, HST, NASA. The blunders and successes of the past 300 years culminated in 1926 when Edwin Hubble, through his observations of Cepheid Variables in the Andromeda Nebula, established that the spiral nebulae were …