Spektr-RG Proton Launch
A Russian government Proton rocket and Block DM upper stage will launch the Spektr-RG X-ray observatory. Spektr-RG is a joint project between Roscosmos and DLR, the Russian and German space agencies. The mission will conduct an all-sky X-ray survey, observing galaxies and large-scale galactic clusters to help astronomers examine the role of dark energy and dark matter in the evolution of the universe.
Launch time: TBD