What is . . the sun ?
The Transit of Venus The Sun Venus
This SOHO/LASCO C2 coronograph image from 8 November 2000 shows what appears to be two soalr storms (or coronal mass ejections) heading in symmetrically opposite directions from the Sun. An SOHO/EIT image from the same day has been superimposed over the dark disk which blocks the Sun so that the LASCO instrument can observe the structures of the corona in visible light.
Courtesy of SOHO/EIT/LASCO consortium. SOHO is a project of international cooperation between ESA and NASA