The brighter primary star has a temperature 22,400 Kelvin, a true luminosity of 12,100 Suns (after taking ultraviolet radiation into account), a radius 7 solar, (25 percent the separation between the two stars) and a mass 10.5 times solar, which may be enough to send it someday into a supernova explosion.
A grebe (/ËÉ¡riËb/) is a member of the order Podicipediformes and the only type of bird associated with this order. Grebes are a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter. This order contains only a single family, the Podicipedidae, containing 22 species in 6 extant genera.
Clark's Grebes. Clark's Grebes. Grebes. The Clark's Grebe (Aechmophorus clarkii) - also known as Mexican Grebe - is a North American grebe that is native to Canada, Mexico and United States. This large grebe is identified by its long, swan-like neck, and contrasting black and white plumage.