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,

According to Culbertson, Venus will be the higher of the two “eyes” while Saturn will be the lower, and the thin, crescent moon grin will appear slightly lower and farther north. The smile will be visible to the naked eye, although a backyard telescope or pair of binoculars should allow you to get a better look at the moon’s details.