Altair, the brightest star in the constellation Aquila. It is the 12th brightest star in the sky, with an apparent magnitude of 0.77. Altair is about 10 times as luminous as the sun and is white in color. It is about 16 light-years from the earth. As seen from the earth, Altair has a faint star on each side of it.
Sunspots are peculiar dark areas that show up regularly on the surface of the sun -- and often for no reason. What causes them? What effect could these funny little spots have on the Earth?
It's not a pleasant thought, is it? But when you mix chaos theory with a few crazy cosmologists, those tidy, predictable orbits start getting lively.