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Bloomberg • Summer Maxwell

ULA Vulcan fails to deliver Amazon Leo satellites to orbit on return to flight

United Launch Alliance’s Vulcan rocket failed to place Amazon Leo satellites into orbit on Nov. 15, marking the vehicle’s first total mission failure. The launch was Vulcan’s first in more than nine months and the opening flight in a planned 38-mission series intended to deploy Amazon’s broadband constellation.

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Universe Today • Andy Tomaswick

Navigating Lunar Orbit Using Nothing But Shadows And A Power Meter

By Universe Today: Humanity is quickly starting to saturate our ability to track all of the satellites we have in deep space. NASA’s Deep Space Network (DSN) has been the workhorse for tracking such things for decades, but is quickly being overwhelmed by the number of requests it receives.

2026-11-15T05:35:14.778211-08:00