Finding “brown dwarfs” helps us measure the mass of the universe.
Debris disks – signs of other solar systems?
Dust absorbs visible light and re-emits it in the infrared.
Some galaxies emit most of their light in the infrared.
Visible light from very distant objects is shifted to the infrared.
Just as the pitch of a train whistle changes as it passes an observer, the observed wavelength of light emitted by a moving object also shifts.
Infrared light is mostly absorbed by our atmosphere.
SIRTF Science Center,
California Institute of Technology
Space Science Education
Origins Education Forum
Click on “Educator Resources”,
and then select “Curriculum Support”
Remote controls use infrared light.
Our eyes see only part of the electromagnetic spectrum…
Three alcohol thermometers
Flat black paint or a permanent black marker
Scissors or a prism stand
Blank sheet of white paper
Binders, books, or blocks
Pencils or pens
Blacken thermometer bulbs
Cut out notch in box for prism
Identify location and time for experiment
Visit Our Web-Site for More!
Much more available at sirtf.caltech.edu. Click on the “Education” button.