Day: September 16, 2021

The Earth – The Way We Know It Earth is the fourth planet from the Sun and therefore the only known astronomical object to harbour living and non-life, in fact supporting life on other planets in our solar system. Less than one percent of Earth’s surface is solid land including oceans and polar regions making it the most uneven planet in the Solar System. The planet has about one hundred and forty-five billion years of age, which is much longer than expected. It also has a thick atmosphere composed mainly […]