August 18, 2026
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate
Breaking News
  • [ August 18, 2026 ] Astronauts remove failed antenna; run out of time to install a spare News
  • [ August 18, 2026 ] Live coverage: SpaceX to send Starlink satellites to orbit with Tuesday night launch from California Falcon 9
  • [ August 15, 2026 ] SpaceX launches record-breaking back-to-back Falcon 9 rockets for Globalstar, U.S. Space Force Falcon 9
  • [ August 14, 2026 ] NASA Administrator ‘extremely confident’ in Artemis 3 mission in 2027 Artemis
  • [ August 12, 2026 ] Mike Fincke, a 30-year astronaut with experience across four spacecraft, retires from NASA News

Spektr-RG

Mission Reports

German X-ray telescope achieves ‘first light’

October 23, 2019 Stephen Clark

Astronomers are elated with the first X-ray images from a German telescope on Russia’s Spektr-RG astronomy mission, demonstrating the instrument’s ability to observe galaxies near and far as scientists seek answers to questions about dark energy.

Mission Reports

Russia launches international X-ray astronomy mission

July 13, 2019 Stephen Clark

A Proton rocket and Block DM upper stage climbed into space Saturday from the Baikonur Cosmodrome in Kazakhstan with Spektr-RG, an astronomical observatory with dual X-ray telescopes developed by Russian and German scientists on the hunt for the signature of dark energy.

Mission Reports

Live coverage: Proton rocket lifts off with X-ray astronomy observatory

July 13, 2019 Stephen Clark

A Proton rocket lifted off from the Baikonur Cosmodrome in Kazakhstan with the Spektr-RG X-ray astronomy mission at 1230:57 GMT (8:30:57 a.m. EDT) Saturday.

Mission Reports

Proton launch delayed to Saturday

July 12, 2019 Stephen Clark

Russian officials have delayed until Saturday the launch of a Proton rocket from Kazakhstan with the Spektr-RG X-ray astronomy observatory, an ambitious mission jointly developed with Germany to probe dark energy.

Mission Reports

Proton rocket and astronomy satellite back on the launch pad after battery replacement

July 9, 2019 Stephen Clark

Poised to loft a Russian-German X-ray astronomy observatory into space Friday, a Proton rocket returned to its launch pad Tuesday at the Baikonur Cosmodrome in Kazakhstan after a three-week delay to replace a drained battery on the vehicle.

Mission Reports

Russia postpones launch of X-ray astronomy mission

June 21, 2019 Stephen Clark

Russian officials postponed the planned launch of a Proton rocket with an X-ray astronomy satellite Friday until no earlier than July 12 resolve a problem with an inadvertently drained battery on the vehicle.

Mission Reports

Russia to launch science mission probing dark energy

June 20, 2019 Stephen Clark

A Russian-built satellite hosting an array of X-ray telescopes is awaiting launch Friday from the Baikonur Cosmodrome in Kazakhstan on a mission to measure the mass and distance of colossal clusters of galaxies throughout the universe.

Mission Reports

Proton rocket, Russian-German astronomy satellite arrive at launch pad

June 14, 2019 Stephen Clark

A rocket-transporting railroad car ferried a Proton rocket to its launch pad Friday at the Baikonur Cosmodrome in Kazakhstan for final checkouts and testing before the vehicle’s scheduled June 21 liftoff with the Russian-German Spektr-RG X-ray telescope.

Mission Reports

Russia ships X-ray astronomy satellite to launch site

April 25, 2019 Stephen Clark

A Russian X-ray astronomy satellite with major contributions from German and U.S. scientists and instrument developers arrived Thursday at the Baikonur Cosmodrome in Kazakhstan for a launch in June aboard a Proton rocket.

News Headlines

  • Astronauts remove failed antenna; run out of time to install a spare
    August 18, 2026
  • Live coverage: SpaceX to send Starlink satellites to orbit with Tuesday night launch from California
    August 18, 2026
  • SpaceX launches record-breaking back-to-back Falcon 9 rockets for Globalstar, U.S. Space Force
    August 15, 2026
  • NASA Administrator ‘extremely confident’ in Artemis 3 mission in 2027
    August 14, 2026
  • 006A0544.NEF
    Mike Fincke, a 30-year astronaut with experience across four spacecraft, retires from NASA
    August 12, 2026
  • Firefly Aerospace pushes debut of Alpha Block 2 rocket to the fourth quarter of 2026
    August 11, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    August 11, 2026
  • Window for 2026 launch debut of Rocket Lab’s Neutron rocket ‘is narrowing’ as development continues
    August 10, 2026
  • SpaceX launches Tuesday noontime Starlink mission following Monday scrub
    August 10, 2026
  • SpaceX West Coast launch surge continues with Starlink mission
    August 8, 2026
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate

© 1999-2026 Spaceflight Now Inc