A gray and silver metal box is attached to the upper right side of Europa Clipper's nadir deck - a thick matte-gray polygonal structure filling about one-third of the image. One of the spacecraft’s star tracker telescopes is visible jutting from the nadir deck diagonally toward the upper right. It has a red cap on the end. Two other red covers are visible on the instrument.

Europa Clipper Ultraviolet Spectrograph (Europa-UVS)

Europa Clipper’s ultraviolet spectrograph, called Europa-UVS, was the first of the mission’s science instruments to be installed on the spacecraft’s nadir deck. The instrument is attached to the right side of the nadir deck in a clean room at NASA's Jet Propulsion Laboratory (JPL) in Southern California. The nadir deck (the thick matte-gray polygonal structure filling about one-third of the image) will stabilize science instruments and other sensors to help ensure they are oriented correctly.

Credits: NASA/JPL-Caltech
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Image CreditNASA/JPL-Caltech
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