Sentences with phrase «more radioactive compounds»

Not exact matches

Pluto's geological activity is driven both by heat leaking from radioactive elements in its interior — a remnant of its birth more than 4 billion years ago — and by the volatile compounds that flit between its surface and its atmosphere.

Studying such compounds in the lab also helps computational researchers to improve their predictions about the more highly radioactive elements present in nuclear waste that are even more difficult to study.

With more than 17 million Americans now living within one mile of an oil and gas well, there is concern about the possible contamination of surface and groundwater by trace metals, radioactive isotopes and other inorganic compounds released in these areas, they point out.