There are fixed stars or suns millions of light-years away, a distance which makes Arcturus, with its forty lightyears, seem rather near. The light of our own sun, on the other hand, is but a few ...

Arcturus has been estimated to be roughly 25 times the diameter of the sun — about 20 million miles. If we could shrink our sun down to the size of a baseball, Arcturus would be a ball just over ...

As I sit here with the flu, the thought of travels to far away places makes for a pleasant distraction. How about a journey to Arcturus? If you could zoom away at light speed, you'd arrive in just ...