Tuesday, 29 June 2021

Visualizing Quieter Supersonic Flight


NASA’s X-59 Quiet SuperSonic Technology X-plane is designed to fly faster than the speed of sound without producing sonic booms. via NASA https://ift.tt/3A7ndXk

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Lunar Occultation of Venus

On Wednesday, June 17, skywatchers across the United States—and parts of Canada—enjoyed a rare event: a daytime lunar occultation of Venus. ...