For the first time in 800 years, the "Grand Conjunction" appears in the night sky | Gary Robbins

<p>The richly luminous planets Saturn and Jupiter will be so close in the sky on Monday night they’ll appear to meld together with a starkness that has not been widely seen on Earth since the 13th century.</p><p>The paths the planets follow around the sun will bring them into rough alignment shortly after the sun sets in the southwest, creating what astronomers call a “grand conjunction.”</p>