A rare alignment of the moon and three planets will give millions a reason to look up — and the view could leave stargazers smiling. The final major astronomical event of April will feature the moon shining alongside Venus,

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and the moon combine to form a grinning face in the predawn sky. To spot the celestial 'smiley face,