What specialized instrument aboard the Hubble Space Telescope is used for multi-band imaging?
Answer
Wide Field Camera 3 (WFC3)
The Hubble Space Telescope, operating above the distorting effects of the atmosphere, relies on sophisticated instrument packages mounted at its focus point to conduct its observations. For tasks involving gathering photonic data across various color ranges simultaneously, the Hubble is equipped with the Wide Field Camera 3, abbreviated as WFC3. This instrument is specifically designed for multi-band imaging. While CCDs are the underlying technology used by many imagers to convert light into digital signals, WFC3 is the name of the complete, specialized camera instrument package itself.
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