Recent content by jordiheguilor

"When aluminum burns at high temperatures during a satellite re-entry, it produces aluminum oxides, or alumina, a white powdery substance known for its potential to damage ozone and change the reflectiveness of Earth's atmosphere." So on the one hand alumina damages the ozone layer, on the...

But aren't these astronauts going to spend two or three days in the Van Allen belts, while the Apollo astronauts just crossed them?

On another article I read about the electronics and the radiation in the Van Allen inner belt: "To make sure the spacecraft’s avionics — or electronics used for navigation and communication — could survive the heavy radiation environment encountered during the Polaris Dawn mission, engineers...