It noted that knowing the formation time of the 2,500-kilometer-wide SPA basin, which is located on the moon's far side, allows researchers to use the site as a cosmic timekeeper to calibrate impact ...
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Live Science on MSNSpace photo of the week: The last sight you see before dying on the moonThe final act of the Blue Ghost lander's busy two weeks on the moon was to send back sunset shots featuring Earth and Venus.
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