The site of the chernobyl nuclear accident in 1986, was at the Chernobyl Nuclear Power Plant, which was located in Ukraine. In terms of cost and casualties, it was the worst nuclear power plant disaster in history.
Rossby waves occur at the equatorial. Regions only
When viewed from the equator (0 degrees latitude), Polaris lies on the northern horizon. As an observer moves northward--say, to Houston, Tex. (30 degrees latitude)-- Polaris is located 30 degrees above the northern horizon.
<em>Gravity has the same role as it does in any solar system it keeps the planets in order</em>