NASA ScienceCasts - Follow the Sun - HD
The TSIS instrument on the International Space Station is continuing NASA's 40-year record of tracking the Sun's radiant energy.
ISS Science: http://www.nasa.gov/iss-science
NASA Science: http://science.nasa.gov/
Credit: NASA
ISS Science: http://www.nasa.gov/iss-science
NASA Science: http://science.nasa.gov/
Credit: NASA