SLS and Orion on the pad during the Artemis 2 wet dress rehearsal Feb. 2. Credit: NASA/John Kraus Depending on when you read this, NASA will be weeks — perhaps days — from one of its biggest missions ...
When the moon is nearly between Earth and the sun, one side of the moon faces the sun, and that side is illuminated, but the side the Earth sees is dark. This is called the new moon phase of the lunar ...
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