The Trail of Time is a fully accessible, interpretive walking time-line trail that utilizes the unique vistas and rocks at the Grand Canyon to help the 5 million annual visitors ponder, explore and understand the magnitude of geologic time and the stories encoded in the rocks and landscapes.
In a first of its kind, citizen scientists and researchers created a 90-minute time-lapse video of the sun's inner corona. The Citizen CATE (Continental-America Telescopic Eclipse) Experiment captured images of the inner solar corona using a network of more than 60 telescopes operated by citizen scientists, high school groups and universities.
You are using a dynamic assistive view of the National Science Foundation site. It has all the same data and features of the original site but formatted just with assistive users in mind. It has links and content reorganized to aid assistive users and has controls at the bottom under assistive options that allow you to control key aspects such as font size and contrast colors etc. This is not a separate text-only site, it's a dynamic view that uses unique technology from Usablenet to give assistive users better, more accessible access to the same content and features as all users that use the graphic view of the site.