What is the aperture size of the Hubble Space Telescope's primary mirror?
Answer
2.4-meter
The core capability of the Hubble Space Telescope hinges on the size and clarity of its light-gathering component, the primary mirror. This mirror has a specified aperture diameter of 2.4 meters. This precise size, combined with the telescope's orbital location above atmospheric distortion, dictates the ultimate clarity and depth of the light collected. The light gathered by this mirror is what forms the basis for all subsequent scientific observations, whether for planetary studies, deep field surveys, or analyzing stellar phenomena.
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