Once a person asked his friend, "Which is the brightest star in the sky?" At first, his friend gave him a puzzled look (not everyone is an astronomy fan), but he still answered "The North Star." ...
It’s the star by which all others are judged. The fifth brightest star in the night sky and about 25 light-years away, this blue star is a yardstick for judging stars’ apparent magnitude or ...
“The Starry Night,” the 1889 hallmark artwork by Dutch painter Vincent van Gogh, is remarkably congruent to the astronomic principles of our sky, atmospheric scientists recently discovere ...