Apply cleaning solutions For stubborn smudges, oils or fingerprints, the best approach is to use a lens cleaning solution paired with a microfiber cloth or lens cleaning tissue.
Нe used a triangulation method, identifying distinctive features in Luna 9’s original 1966 ground-level panoramas—two distant hills, specific boulders and an ejecta streak—and matched them with topographic data from the LRO’s laser altimeter.
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