Shop Windows to the Universe

Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.
This is a thermogram of a house, an IR view of a house. It shows variations in the amount of heat that escapes from a home. Greater heat loss appears in red. Blue indicates areas where little or no heat radiates from the building.
Click on image for full size
Daedalus Enterprises, Inc., Ann Arbor, MI

Infrared (IR) Radiation

Text for this level has not been written yet.

Please see the "Intermediate" text for this page if you want to learn about this topic.

To get to the "Intermediate" text, click on the blue "Intermediate" button at the top of the page (between the "Beginner" and "Advanced" buttons).

Last modified July 13, 2005 by Randy Russell.

Shop Windows to the Universe Science Store!

Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

Windows to the Universe Community

News

Opportunities

You might also be interested in:

Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Earth's Radiation Budget

Light from the Sun shines on Earth. Some of that light reflects off clouds back into space. Some of the light makes it to the ground and warms our planet. The warm ground and oceans give off infrared (IR)...more

Impact on Jupiter - July 2009

Anthony Wesley is an astronomer in Australia. One night in July 2009, Wesley noticed a dark spot on Jupiter that hadn't been there before. He had discovered the remains of a huge impact on Jupiter! A comet...more

Saturn's Strange Hexagon

Astronomers have discovered a strange shape in Saturn's atmosphere. The shape is a hexagon. The hexagon is near Saturn's North Pole. Scientists aren't quite sure why Saturn has the hexagon shape in its...more

Saturn's Southern Polar Vortex

If you wanted to go someplace warm for a vacation, would you choose the South Pole? If you lived on Saturn you might! Saturn's South Pole is the warmest place on the ringed planet. Watch out for the weather,...more

The Phoebe Ring Around Saturn

The Phoebe Ring is one of the rings around the planet Saturn. The Phoebe Ring is much bigger than Saturn's other rings. It is about 100 times larger than the main ring system. The ring was discovered by...more

The Magnetic Field

The force of magnetism causes material to point along the direction the magnetic force points. Here's another picture of how this works. This picture shows where the magnetic poles of the Earth are to...more

Planetary Magnets

The Earth has a dipole magnetic field. This is when magnetic field lines point in a direction out of the South Pole and into the North Pole. Planets can also have quadrupoles (4 poles) and octupoles (8-poles)....more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF