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Space missionXMM-Newton
This page contains information about XMM-Newton is a x-ray telescope.
This european mission started on 10. 12. 1999 and is still running. Its target is .
| Operator |  ESA |
| Type |  Scientific x-ray telescope |
| Start |  10. 12. 1999 |
| Status | Ongoing |
| Last update: 1. 12. 2022 | |
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