Abstract
By analysing and generalizing published experimental data, it is shown that : (a) the locations of sources of eruptive flows on the Sun and of related flares are displaced with respect to each other by an angle Δϑ ≃ 20−40°, on average; (b) there is not sufficient justification to believe that there exist eruptive flows unassociated with either flares or active filaments; and (c) eruptive flows have a fundamentally different nature as compared to quasi-stationary fast-speed flows originating from coronal holes (CH). The hypothesis is suggested, according to which eruptive flows are produced at locations of jump-like large-scale increases in portions of CH boundaries.
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