Questions tagged [helmets]

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Noise inside an ACES/pumpkin suit helmet?

As I understand it there was plenty of noise inside a NASA EVA suit helmet from fans circulating the air. Was the Advanced Crew Escape Suit helmet for launch and reentry similarly noisy?
6
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Does sunlight warm an astronaut's face during a spacewalk?

I understand astronauts' helmets have dichroic optical filters to protect from many different frequencies of EM radiation. Do the filters prevent the astronaut from feeling warmth on their skin when ...
5
votes
2answers
543 views

How does the thin gold film in the glass of spacesuit helmets block thermal IR but transmit visible? What's the property?

Comments below this answer suggest that there is a thin gold coating on the glass of spacesuit helmets that blocks thermal IR (say roughly about 10 to 30 microns) but is mostly transparent to visible ...