{"id":"src_9bav50id1muu","title":"Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant","authorName":"Adam G. Riess","abstract":"We present spectral and photometric observations of 10 type Ia supernovae (SNe Ia) in the redshift range 0.16 < z < 0.62. The data indicate that the cosmological expansion is accelerating, and imply the existence of a cosmological constant or similar \"dark energy\".","tags":["ark energy","cosmology","supernovae","accelerating universe","cosmological constant"],"priceUSDC":"0.0004"}