There are two types of poles on Earth: the geographic and magnetic poles. The geographic North Pole "stays at the same place, as it is where all lines of longitude converge," while the magnetic North ...
The Earth's interior is composed of four layers ... This creates very slow-moving currents as hot rock rises from the depths and cooler rock descends. The mantle is about 1,800 miles (2,900 ...
According to the researchers involved in the study, if an asteroid like this is moving at a relatively slow speed of around 2,200mph (3,540km/h), Earth’s gravitational field can exert a strong ...