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ExploraTour - Looking at the World in a Different Light


Did you ever wonder what it would be like to see things in the world that are beyond the limits of your normal vision ... like x-rays or heat radiation. You would have a lot more information about the world around you. Continue on for a tour of our world like you've never seen it before !!



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Our online store includes books on science education, classroom activities in The Earth Scientist, mineral and fossil specimens, and educational games!

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Cool It! Game

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

NASA Reveals First Images from Chandra

NASA revealed a few of the many images that will come from its newest telescope. Since first being deployed July 23, the Chandra X Observatory has had no problems. It first made a series of engine firings,...more

Scientists Find One of the First Galaxies

Scientists found an ancient galaxy that may be one of the first ever! The galaxy is hidden inside an enormous black hole. This black hole is estimated at 100 million times the mass of our Sun. The galaxy...more

Exploratour - Life in the Solar System

As we move out in the solar system, the planets get colder, and higher temperatures begin to be found deeper into the interior of the planet, where the pressure of overlying material becomes immense. Jupiter's...more

Hubble Detects the First Extrasolar Planetary Atmosphere!

You probably know there are nine planets in our own solar system...but did you know that we know of 76 planets that are outside our own solar system? These planets orbit other stars and are called extrasolar...more

ExploraTour - Looking at the World in a Different Light

Even though the sleeping man is no longer on the bed, you can still see where he was lying down. The heat from his body warmed up the bed sheets which are now radiating infrared light toward your eyes....more

ExploraTour - Looking at the World in a Different Light

All warm objects (not just people) radiate in the infrared. Warmer objects give off more infrared radiation. Very hot objects radiate other types of light in addition to infrared. Click on the picture...more

ExploraTour - Looking at the World in a Different Light

Your eye is a wonderful detector of visible light. Different frequencies of light produce different sensations in the eye which we interpret as colors. Our eyes detect light by using light sensitive components...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