Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

with a small generator to recharge it. What is the lifespan of a portable power station? A power station's lifespan will vary by battery type, inverter/charger design, and manufacturer.

A vote by the board of the Electric Reliability Council ... The emergency generators the plan calls for are owned by Life Cycle Power, which had leased them to Houston’s CenterPoint Energy ...