But Kuiper followed up by visiting in person and determined that the peaks, which were above the inversion layer, had many clear days, and suffered no light pollution, would make fantastic locations for telescopes. Concerned about the possibility that the still-active Mauna Loa might erupt, he chose to build on Mauna Kea.
他實地走訪後發現，這裡山頂無雲、晴天率高，而且完全沒有光害，確實非常適合設置望遠鏡，但因毛納洛峰仍有爆發危險而選擇了毛納基峰。