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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Cool It! Game

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

NASA Reveals First Images from Chandra

NASA recently 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 functioned perfectly. It first made a series...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!

To date, 76 extrasolar planets are known. Yesterday, the first detection of an extrasolar planetary atmosphere was announced! As well, this is the first chemical analysis to be done on the atmosphere of...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 radiate in the infrared. The warmer the object, the higher the frequency and intensity of the radiation. Very hot objects give off other types of radiation in addition to infrared. Click...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 is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA