The near-Earth asteroid 3753 Cruithne is now known to be our planet’s second moon. Something quite significant about this asteroid is that it shares the Earth’s orbit. Though due to its mo...
On planet Earth, there are several regions with tropical forests, they are located in Africa, Asia, America, and the northeast of Australia, between the tropics of Cancer and Capricorn. They are chara...
Gaia hypothesis: Is the world a living organism? The Gaia hypothesis was first proposed by Dr. James Lovelock in the 1970s and published in 1979. It takes its name from the Greek goddess Gaia, who is ...