Stern, David P. (12 December 2004). "Seeing the Sun in a New Light". From Stargazers to Starships. NASA Goddard Space Flight Center. Retrieved 7 December 2007. This article incorporates text from this source, which is in the public domain.
"Great Observatories". Beyond Einstein. NASA. Archived from the original on 3 November 2007. Retrieved 28 November 2007. This article incorporates text from this source, which is in the public domain.
pwg.gsfc.nasa.gov
Acuña, Mario H.; Keith W. Ogilvie; Robert A. Hoffman; Donald H. Fairfield; Steven A. Curtis; James L. Green; William H. Mish; the GGS Science Teams (1 May 1997). "The GGS Program". ISTP-GGS/SOLARMAX Proposal. Goddard Space Flight Center. Retrieved 3 December 2007. This article incorporates text from this source, which is in the public domain.
"Great Observatories". Beyond Einstein. NASA. Archived from the original on 3 November 2007. Retrieved 28 November 2007. This article incorporates text from this source, which is in the public domain.