This Flash-based viewer allows you to view real-time NASA satellite images of the Sun and the Earth. Near real-time images from a variety of NASA satellites and ground-based observatories are presented. Enjoy zooming and panning the images! A scale tool with the size of the Earth is also presented with the solar images.
This new experiential Web site lets you explore Chaco Canyon and the Yucatan to learn about NASA research on the Sun and solar practices within a larger historical and cultural context.
The most powerful solar flare in the last 500 years occurred on September 2, 1859 and was sighted by two astronomers who happened to be looking at the sun at exactly the right time!