Sentence:  The measurements made with the NRL 50 - foot reflector , which is altitude azimuth mounted , would have shown a systematic change with local hour angle in the measured intensities of Venus and <WSD>Jupiter</WSD> if a substantial part of the radiation had been linearly polarized . 
Meaning of the word marked with <WSD> tags:  the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky