Th Artemis II mission will take four astronauts thousands of miles beyond the moon before the Orion spacecraft makes a U-turn and heads back to Earth on an approximately 10-day journey. The launch ...
Asteroid 2023 JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters), roughly the size of a bus. Orbit animation courtesy: NASA/JPL-Caltech | ...
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