60 years ago: Ranger 8 moon photos aid in Apollo site selection
Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists ...
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NASA lowers impact risk of asteroid 2024 YR4 to 0.28 percent
LOS ANGELES, Feb. 20 (Xinhua) -- NASA has further decreased the chance of an impact from asteroid 2024 YR4 to Earth on Dec. 22, 2032, to 0.28 percent, according to the latest NASA estimate on Thursday ...