An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.
More than 44% of available electricity generation capacity comes from natural gas, followed by coal, wind, hydropower, and solar. FERC forecasts strong growth in solar for years to come.
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...