NEW YORK (AP) — Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to spot with the naked eye. These planetary hangouts happen when several planets appear to line up in the night sky at once. They’re not in a straight line, but are close together on one side of the sun.

All seven of Earth's neighboring planets will be visible as the sun sets this week. Here's everything to know about the event.