来自MSN

7 continents in the world ranked from largest to smallest on the basis of size and population

The Earth is divided into seven major continents: Asia, Africa, North America, South America, Antarctica, Europe, and Australia. Each continent showcases distinct geographical features, cultures, and ...
The Brighterside of News on MSN

4.5 billion-year-old proto-Earth fragments found in Earth’s mantle

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...