Graham Sutherland / Polynomial14h ago

Artemis II launch is approaching T-20m until launch!

https://www.nasa.gov/live

NASA Live - NASA

NASA live: Follow live television broadcasts on NASA+, the agency's streaming service, and NASA's social media channels with this schedule of upcoming live events including news briefings, launches and landings.

NASA
Show threadGraham Sutherland / Polynomial14h ago
RF folks: am I right in thinking that the three big masts surrounding the launch pad are supporting big helical antennas on the top? big white corkscrew looking things pointing directly up.
Show threadAndrew14h ago
@gsuberland they’re lightning rods
Show threadAndrew13h ago
@gsuberland https://www.nasa.gov/missions/artemis/lightning-towers-stand-tall-at-nasa-kennedys-launch-pad-39b/
Lightning Towers Stand Tall at NASA Kennedy’s Launch Pad 39B - NASA

On April 2, the system’s high-speed cameras activated after picking up weather conducive to lightning in the area. NASA’s Space Launch System (SLS) and Orion

NASA
Show threadAndrew
@gsuberland The helical things are big insulators, with the actual lightning conductors suspended on their tips in a big triangle around the rocket, plus downconductors going to ground
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