eruptive osdareši Fr.: éruptif Relating to, formed by, characterized by, or producing → eruption. |
eruptive object barÂxt-e osdareši Fr.: objet éruptif An astronomical object such as a → variable star, a → nova, a → young stellar object, etc. characterized by abrupt changes of luminosity. |
eruptive prominence zabâne-ye osdareši Fr.: protubérance éruptive A huge solar prominence which has previously been quiescent but suddenly starts to lift up from the → photosphere with velocities of several hundred km/s and escapes into the → interplanetary space. Eruptive prominences with the highest velocities have been observed at 1300 km/s, reaching heights of 1 million km above the photosphere. Such prominences are often observed at the solar limb, in association with → coronal mass ejections. On the Sun's disk, the equivalent phenomenon is an eruptive filament. → eruptive; → prominence |
eruptive variable vartande-ye osdareši Fr.: variable éruptive same as → cataclysmic variable. |