McDonald Laser Ranging Station
White Dwarf Stars and the Age of the Galaxy
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![]() Figure 3 Top view of EXES echelon and cross-dispersion chambers. Fore optics have been deleted, and components are labeled as in Figure 1 and Figure 2. Light rays are in red, optical elements are in green, and structural (or unused optical) elements are in blue. Holes in walls are denoted by closely spaced blue lines. |
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