Rather than attending courses in person, teachers and students may communicate at times of their own choosing by exchanging printed or electronic media, or through technology that allows them to communicate in real time and through other online ways.

 

Listed below are some sites that have distance learning as well as collaborative content.  Some content is free others have a fee associated with them.

 

 

 

 

NASA Distance Learning - NASA content can be found on the sites listed above, but registration for the programs should be done through the NASA site.