SpaceX rocket left behind a plume of chemical pollution as it burnt up in the atmosphere
• Space junk returning to Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found.
Plume
Mantle plume vs. plate tectonics: Basalt cores reshape the North Atlantic breakup debate
• About 56 million years ago, Europe and North America began pulling apart to form what became the ever-expanding North Atlantic Ocean. • Vast amounts of molten rock from Earth’s m