See Jupiter glow beside the waxing moon after sunset on May 20

Look west after sunset on May 20 to witness the waxing crescent moon line up with bright Jupiter. The pair will remain visible for a few hours after sunset, before slipping from view below the spring horizon. The moon will appear to line up with the bright stars Castor and Pollux in the constellation Gemini as the sun sets, with Jupiter 's dazzling light shining less than 10 degrees to its lower right — roughly the width of a clenched fist held at arm's length. …