What crucial capability do ground-based observatories possess regarding scientific instruments every 10 to 15 years?

Answer

Sophisticated instruments can be upgraded, replaced, or completely swapped out to incorporate the latest detector technology.

Ground-based telescopes are designed so that the sophisticated instruments capturing the light can be upgraded, replaced, or completely swapped out every 10 to 15 years to incorporate the latest detector technology, instantly upgrading performance.

What crucial capability do ground-based observatories possess regarding scientific instruments every 10 to 15 years?

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