Historical Account of the Discovery of the Asteroids Leading up to the reasons why Eros, very soon after its discovery was recognized to be the most important asteroid up to that time. near.jhuapl.edu/eros/history/
Build a Bubble-Powered Rocket! Build your own rocket using paper and fizzing tablets! Watch it lift off. How high does your rocket go? spaceplace.nasa.gov/pop-rocket/en/
Quest: NASA K-12 Internet Initiative Space Scientists Online: Live events with NASA space scientists, including experts on the Sun, Mars, astrobiology quest.arc.nasa.gov/
The Apollo Saturn Reference Page A site dedicated to providing reference material for modelers of the Saturn V, Saturn Ib and the Apollo spacecraft. apollosaturn.com/
Earth and Moon Viewer Images can be generated based on a full-colour image of the Earth by day and night, a topographical map of the Earth, up-to-date weather satellite imagery, or a composite image of cloud cover superimposed on a map of the Earth, or a colour composite which shows clouds, land and sea temperatures, and ice. fourmilab.ch/earthview/vplanet.html
SIR-C/X-SAR Images A project that uses a highly sophisticated imaging radar to capture images of Earth that are useful to scientists across a great range of disciplines. jpl.nasa.gov/radar/sircxsar/
Planetary Exploration Timeline Chronology of Lunar and Planetary Exploration nssdc.gsfc.nasa.gov/planetary/chronology.ht...
The NASA Space Weather Bureau Daily monitoring of solar flares, geomagnetic storms, Earth's aurora, and all forms of space weather. spaceweather.com/
Earth And Sky space earth science astronomy tectonic plates earthsky.com
Landsat Program The Landsat Program is the longest running enterprise for acqusition of imagery of the earth from space landsat7.usgs.gov/
Science Visualization Studio Images Wonderful images of the Earth and the effect El Nino, hurricanes, floods and more... svs.gsfc.nasa.gov/Gallery/index.html