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APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan
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October 20, 2026

APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan

APOD Science APOD APOD: 2026 October 20 – An… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. An Anticrepuscular […]

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NASA News10/20/2026

NASA Experimental Mars Helicopter Blade Designs Target Longer Flights

NASA researchers are developing the future of flight on Mars, laying the groundwork for helicopters with the ability to fly higher and farther while conducting science on the Red Planet. Using high-fidelity computer simulations and wind tunnel tests, engineers are reimagining the rotorcraft blades that could carry the next generation of Mars flyers.