Install this theme
Sunspot Group 1429 and the Distant Sun

Sunspot Group 1429 and the Distant Sun

Source: apod.nasa.gov
High-res 3/19/12 — 11:24am Short URL: http://tmblr.co/ZxNM8yIEi_mP Filed under: #APOD  #sun  #Sunspot 
 
  1. nothingunderthesun posted this