 Planetarium View the night sky from any latitude on earth, and take a guided tour of the Hawaiian star families. INTERACTIVE 
|
Seasons and Shadows Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out! HANDS-ON
|
Modeling the Seasons See for yourself how the tilt of the earth's axis results in what we experience as the seasons. HANDS-ON
|
Your Age on Other Worlds Find out why people who love birthday parties should move to Mercury.
|
|
Your Weight on Other Worlds Ever wonder what you might weigh on Mars or The Moon? Here's your chance to find out.
|
Solar Images: Tools Through Time The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies. ARTICLE
|
Build a Solar System Make a scale model of the Solar System and learn the REAL definition of "space."
|
Make Your Own Telescope Make your own refracting telescope from a pair of reading glasses. HANDS-ON
|
|
Center of the Universe Where is the Center of the Universe? Here, there, and everywhere. INTERACTIVE
|
Using UV Beads Study ultraviolet radiation from the sun and other sources using UV beads. HANDS-ON
|
Liquid Crystal IR Detector Use a sheet of liquid crystal to learn about how infrared cameras work. HANDS-ON
|
Mars Viewer Investigate actual images of the Martian surface taken by the rovers Spirit and Opportunity. INTERACTIVE
|
|
In Seach of Martians Is there life on Mars? Our best evidence so far is a baked-potato-sized chunk of rock found in Antarctica. ARTICLE
|
Solar Brightness Use a lamp and a grease spot to estimate the power output of the sun. HANDS-ON
|
Simulated X-Ray Activity Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen. HANDS-ON
|
The Sky Is Falling Sometimes we can learn about outer space when space objects come to us. ARTICLE
|
|
Never Lost: Polynesian Navigation Imagine yourself in the middle of the vast Pacific Ocean. You've been sailing for weeks, and there's no land in sight. Do you know where you are? Do you know which way to go?
|
 Total Solar Eclipse: Live From Turkey On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an
|
 Ancient Observatories Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.
|
 Journey to Mars Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.
|
 Chichén Itzá Explore the ancient knowledge of the Maya, who built sophisticated monuments to the sun.
|
 China Eclipse Dispatches 2008 Follow us in the remote Xinjiang Uygur Autonomous Region in northwestern China near the Mongolian border.
|
 Saturn: Jewel of the Solar System Explore Saturn, its rings and moons, and see the latest images.
|
 Hubble: A View to the Edge of Space Join us as we visit the Hubble Space Telescope, and see what's happening at Mission Control.
|
 Space Weather: Research Explorer Use live data to check the weather in space, and learn how it can affect us here on earth.
|
 Chaco Canyon Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.
|
 Solar Max Explore our 2000 guide to the solar max, the period in the solar cycle during which the number of sunspots is greatest.
|
 Solar Eclipse: Stories from the Path of Totality Explore stories, dispatches, photos, articles, and archived Webcasts of total solar eclipses from 1998 to 2010.
|
