Day and Night Cycles main content.

Why is There One Long Day and one Long Night in Antarctica?

Part of the Antarctica: The Farthest Place Close to Home Curriculum Collection.

Investigate what causes Antarctica’s six-month summers and winters by studying day and cycles across the globe.

Article Living at the Pole by Paul Siple Siple's Antarctic trips are legendary. At 10, he was selected in a nationwide Boy Scout search to travel there. Several decades later,... Article Safety and Wintering Over in Antarctica Antarctica's winter runs from mid-February through late August. If you decide to stay, you're there for the duration—all aircraft... Article Day & Night Cycles In Antarctica, the Sun never sets during the summer or rises during the winter. But do you know why? Learn the answer from a researcher... Educator Materials Seeing the Light This simple experiment eases the task of understanding daily and seasonal cycles of day and night. See firsthand why the length of... Interactive Seasonal Cycle If the Earth turns all the way around every 24 hours, then why are some days longer than others? And why do we have winter and summer?...