Russia Launches Spektr-RG, a New X-Ray Observatory, into Space - Space.com
- Russia Launches Spektr-RG, a New X-Ray Observatory, into Space Space.com
- Russia launches major new telescope into space after delays The Associated Press
- Spektr-RG: Powerful X-ray telescope launches to map cosmos BBC News
- Russia launches space telescope Yahoo News
- Proton-M with Spektr-RG space observatory launched from Baikonur Cosmodrome TASS
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