Spektr-RG is a joint Russian-German observatory-class mission. It is intented to study the interplanetary magnetic field, galaxies and black holes.
Proton-M Blok DM-03 is a four stage Russian heavy lift launch vehicle derived from the Soviet Proton launch vehicle. It is a Proton-M with an added DM-03 Fourth stage.
Khrunichev State Research and Production Space Center is a Moscow-based producer of spacecraft and space-launch systems, including the Proton and Rokot rockets and is currently developing the Angara rocket family. The Proton launch vehicle launches from Baikonur and Rokot launches from Baikonur and Plesetsk. Angara will launch from Plesetsk and Vostochny.
INFO WIKIThe Russian scientific community is speaking out unanimously against the unauthorized activation of the German eROSITA telescope aboard the Russian Spektr-RG space observatory, as suggested by Roscosmos chief Dmitry Rogozin.
"Russian specialists insist on continuing its work."