5,000°F

Houston We Have a Podcast

Katie Konans

Science

4.7 • 1.4K Ratings

🗓️ 12 October 2018

⏱️ 50 minutes

🔗️ Recording | iTunes | RSS

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Summary

Ronny Baccus, Orion structures and thermal protection system functional area manager, discusses how Orion deals with temperatures around 5,000°F when screaming back into Earth's atmosphere at 25,000 miles per hour. HWHAP Episode 66.

Transcript

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0:00.0	Houston, we have a podcast.
0:02.0	Welcome to the official podcast of the NASA Johnson Space Center,
0:04.7	episode 66, 5,000 degrees Fahrenheit.
0:08.5	I'm Gary Jordan and I'll be your host today.
0:10.2	On this podcast we bring in the experts,
0:11.7	NASA scientists, engineers, and astronauts,
0:13.7	all to let you know the coolest information
0:15.2	about what's going on right here at NASA.
0:17.4	So today we're discussing Orion,
0:19.2	the vehicle that will take humans out into deep space.
0:22.3	Specifically, we're talking about how Orion deals with serious
0:25.2	temperatures. It might not be super apparent, but it has some serious swings out in space.
0:31.2	In sunlight structures can be exposed to temperatures as high as 500
0:34.2	Fahrenheit, minus 150 in the shade. And that's just out in space. When Orion comes
0:38.5	screaming back into Earth's atmosphere at 25,000 miles per hour, the heat show will have to protect the spacecraft, and more importantly,
0:45.2	the astronauts inside, from temperatures around 5,000 degrees Fahrenheit.
0:50.1	That's twice as hot as molten lava and half as hot as the sun.
0:54.1	Discussing this topic is Ronnie Bacchus,
0:56.9	Orion structures and thermal protection system
0:59.4	functional area manager.
1:01.2	We go into how Orion is designed to handle all of this and keep the astronauts safe
1:04.7	from intense heat.
	...

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