The Sun is about 100 times wider than the Earth and the Earth could fit into the Sun over one million times. It would take 500 years for the fastest person on Earth to run the distance from the ...

During the past billion years, the Earth's climate has fluctuated between ... there are large differences in temperature from the equator to the pole, and large, continental-size glaciers can ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks ... formed during a giant impact between the proto-Earth, and another ...