A cooperative project involving three astronomical institutions: |
U. S. Naval Observatory
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Click on the following topics for more information about the NPOI:Why use an interferometer? |
Below is a recent aerial picture looking toward the center of the array
The four astrometric huts are visible to the left of center in the photo. The inner parts of all three arms and the perimeter road may be seen. The beam-combining laboratory is the large building visible above and to the right of center. Newly-installed long-delay-line vacuum pipes are seen to the right of the laboratory. |