Multimedia Release

Elements of Webb: Helium Episode 09

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NASA/Goddard Space Flight Center

Elements of Webb Ep. 9: Why Does Webb Use Helium?

image: Elements of Webb Ep. 9: Why Does Webb Use Helium? Don’t lose your chill, but helium is the coolest element. (It's got the lowest boiling point!) Apply pressure, and it gets even cooler. Find out how pressurized helium helps keep the cryocooler of Webb’s MIRI instrument only about 7 Kelvin (-448 degrees F, or -266 degrees C) in the latest episode of Elements of Webb You Tube: Twitter: Facebook: Downloadable: view more 

Credit: NASAS Goddard Space Flight Center

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