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Chill Out

Video Overview
The Hubble Space Telescope peers deep into the universe and sends breathtaking images back to Earth. But when its infrared camera, NICMOS, lost its supply of cooling liquid nitrogen the pictures stopped. NASA turned to physicist Erin Pettyjohn and her team at Kirtland Air Force Base in New Mexico. They design and build very tiny refrigerators called cryocoolers. These little machines can cool things down to a very chilly 70 Kelvin. That's -203 C or -334 F! One of Erin's cryocoolers is now flying on the Hubble and has "chilled out" the camera so it can be sending back amazing images for years to come.
Overview

Key Terms:

Temperature scales - Fahrenheit, Celcius, Kelvin
Cryogenics
Infrared radiation
Infrared sensors
Hubble Space Telescope
NICMOS
Astronomy

 

Related Links:

cryogenicsociety.org
physics4kids.com
chemistryabout.com

More Episodes OF LabTV - Session 1

IQ Leaning Network

Video Library

Education Sponsors

IQ Learning Network
  • Alpha Foundation
  • Daniel Foundation of Alabama
  • Hugh Kaul Foundation
  • Monte L. Moorer Foundation
  • Sybil H. Smith Charitable Trust
Web-Interactive Field Trips
  • Alabama Humanities Foundation
    A state program of the National Endowment for the Humanities
  • Robert Meyer Foundation
  • The Stephens Foundation
  • Wells Fargo Foundation
e-Learning for Educators/ APT Learn Online
  • Community Foundation of Greater Birmingham
  • U.S. Department of Education
STEM Education Initiative
  • Ann & Alfred F. Delchamps, Jr. Charitable Fund
  • BBVA Compass Bank
  • Beverly and Gary Cooper Charitable Fund
  • Community Foundation of South Alabama
  • Corporation for Public Broadcasting
General Educational Support
  • Alabama Department of Human Resources
  • Blue Cross/Blue Shield of Alabama
  • Books-A-Million
  • Honda Manufacturing of Alabama
  • Publix
  • Wells Fargo
PBS Kids Programs
  • Alabama Power
  • Books-A-Million
  • Children's of Alabama
  • Publix
  • US Space & Rocket Center
American Graduate
  • Corporation for Public Broadcasting
Southern Education Desk
  • Corporation for Public Broadcasting