The Physics To Go website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.

Earth Observatory: Solar Prominence Feature Summary

Physics at Home
Earth Observatory: Solar Prominence
Visit Earth Observatory: Solar Prominence, and take a look at these two images of a solar prominence. How does a prominence look when you see it at the sun itself, compared when you see it against the darkness of space? When you see the prominence against the sun, it's usually called a "filament." To learn more, read the text under the images.
April 1, 2013 - April 16, 2013