Why Are There 365 Days in a Year?
Discover why a year has 365 days. Explore the astronomical, historical, and cultural reasons behind this timekeeping standard. Learn about Earth’s orbit and …
Earth’s Orbit
What Causes Seasons to Change?
Discover why seasons change due to Earth’s 23.5° tilt and its orbit around the sun. Learn how sunlight variations create summer, winter, spring, and fall.
Why do we have different seasons? understanding the astronomical reasons for seasonal changes
Discover why Earth’s 23.5° axis tilt creates seasons. Learn how solstices and sunlight angles cause summer warmth and winter cold in this astronomical guide.