Orion variable Any kind of eruptive variable associated with nebulosity, including T Tauri stars and FU Orionis stars. Orion-type stars are young objects that undergo irregular outbursts of up to several magnitudes but that may also show more regular changes linked to their rotatation. Related entry • variable stars Related category • TYPES OF STAR Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |