NASA just gave us our best look yet at its Artemis III moon-lander test flight, which is scheduled to launch to Earth orbit next year. But a firm liftoff date has not yet been announced.
As NASA returns humans to the lunar surface and establishes a long-term presence on our closest celestial neighbor, the agency and commercial human landing system providers Blue Origin and SpaceX have streamlined the designs and changed both concepts of operations for its future crewed landers.
Before astronauts return to the lunar surface, NASA will first conduct one of the most ambitious and complex test missions in the agency’s history.
When heavy rain hits a city, knowing where water will accumulate is only part of the picture. Who lives in the affected buildings? How might flooding disrupt their lives?
NASA’s Neil Gehrels Swift Observatory has ended its science mission now that the spacecraft is orbiting less than 171 miles (275 kilometers) above Earth’s surface. The greater atmospheric drag at this height prevents the satellite’s telescopes from steadily gazing at their astronomical targets. ...
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