... Coronal mass ejections (CME) are huge bubbles of gas ejected from the Sun over the course of several hours (Tousey, 1973; Brueckner, 1974; MacQueen et al., 1974; Gosling et al., 1974; for a recent review, see Hundhausen, 1996). ... Brueckner, G. E., The behaviour of the outer solar corona (3 Ro to 10 Ro) during a large solar flare observed from OSO-7 in white light, in Coronal Disturbances , edited by G. Newkirk, p. 333, IAU, 1974. ... 79 , 4581, 1974. ... Tousey, R., The solar corona, Space Res., ...