The shadow of the Blue Ghost spacecraft after it landed on the moon, with Earth in the distance. Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near ...
Scientists have long sought to determine the age of the moon's South Pole–Aitken (SPA) basin, the largest and oldest known ...
Saturn's rings tilt out of view every fourteen to seventeen Earth years. In 2032, they will be at their best again during ...
Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...
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