Dark Energy

Occupying a region of space (L2) four times more distant than the moon, the SRG observatory is busily rendering an X-ray map of the universe and has officially reached the half-way mark of its first all-sky survey, which began in December and is...

A pioneering mission that traces its roots back to the Soviet Union achieved liftoff on July 13, 2019. Rashid Sunyaev, Maureen and John Hendricks Distinguished Visiting Professor in the School of Natural Sciences, helped conceive of the venture more...

Rashid Sunyaev, Maureen and John Hendricks Distinguished Visiting Professor in the School of Natural Sciences, is the Russian Scientific Head of the Spectrum-Roentgen-Gamma (SRG) mission, which promises a trove of data for researchers to probe the...