1) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.

2) The Andes, stretching along the western coast of South America, is the longest mountain range in the world, spanning over 4,300 miles (7,000 kilometers).

3) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.

4) The coldest known temperature in the universe was achieved in a laboratory in 2019, reaching a fraction of a degree above absolute zero (-273.15 degrees Celsius).