Earth, our home, is a rocky, terrestrial planet with a solid and ever-changing surface filled with mountains, valleys, canyons, and plains. What makes Earth truly special is that it's an ocean planet - about 70% of its surface is covered by water!
Our atmosphere is a life-giving blanket made mostly of nitrogen with plenty of oxygen for us to breathe. It also protects us from harmful solar radiation and burns up most meteoroids before they can reach the surface as meteorites.
 

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Structure and Surface

Earth is the only planet we know of that supports life. Its atmosphere is just the thickness to trap enough warmth for living things to survive and thrive. Beneath that atmosphere lies a surface full of natural wonders - towering mountains, deep oceans, lush forests, and wide deserts.
This unique combination of land, air, and water allows millions of species to coexist and evolve. From the icy poles to the tropical rainforests, Earth's environments are as diverse as the life forms that inhabit them.

Time on Earth

Time on Earth moves in a familiar rhythm:
One day lasts just under 24 hours, the time Earth takes to spin once on its axis.
One year lasts 365.25 days, the time it takes to orbit the Sun. That extra 0.25 day adds up, so we have a leap year every four years with one additional day in February!

Earth's Neighbours

Earth has one Moon, the only planet in our solar system with just a single natural satellite. The Moon influences Earth's tides and stabilises its rotation - both essential for life here.
Earth is the third planet from the Sun, between Venus and Mars.
Dozens of spacecraft and satellites orbit our planet every day, capturing data and images that help scientists study weather, oceans, soil, and climate change. Even though we live here, there's still so much to learn about our amazing planet!

Quick History

Humans have known about Earth since ancient times, but it took centuries to understand that our planet orbits the Sun, not the other way around. Thanks to science and space exploration, we now see Earth as part of a vast, interconnected solar system - our small but extraordinary home in the universe.
Fun Fact: From space, Earth looks blue because of its oceans - that's why it's often called "The Blue Planet."

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