Blue (171 Angstroms) full disk image: The Sun's million degree atmosphere taken on Dec. 4 by STEREO's SECCHI/EUVI telescope. The close-up of the active region is cropped from the full disk image.
One of the first images taken by the en:STEREO mission. Property of en:NASA therefore in the public domain.
Material del Telescopio espacial Hubble puede tener copyright si no proviene explícitamente del Space Telescope Science Institute. [1]
Todo el material creado por la sonda espacial SOHO está protegido por copyright y requiere permiso para ser utilizado con fines comerciales o no educativos. [2]
{{Information |Description=One of the first images taken by the en:STEREO mission. Property of en:NASA therefore in the public domain. |Source=Originally from [http://en.wikipedia.org en.wikipedia]; description page is/was [http://en.wikipedia.o