The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

Warm air rising from Earth's surface pushes the air mass away from the equator, and releases its moisture as precipitation as it travels pole-ward (Figure 1). If the Earth did not spin on its axis ...

It will then start to move bringing those characteristics with it. Air masses never mix. Our weather is determined by which air mass is most dominant at that time. This is one of the reasons why ...

Arctic air masses originate over the Arctic or Antarctic ... large area of low-pressure and cold air surrounding both of the Earth’s poles, according to the weather service.