From 10 to 22 years: The Nancy Grace Roman Space Telescope's Mission Has Just Been Extended.
Illustrative image More good news for NASA's Nancy Grace Roman Space Telescope. The telescope's first mid-course correction was extremely efficient, using only 10% of the fuel allotted for it. This efficiency, coupled with other factors, means the powerful space telescope will likely have an additional ~12 years of observing time.
Source:Universe Today
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