Sentences with phrase «extraterrestrial noble gases»
Becker, L., R.J. Poreda, A.G. Hunt, T.E. Bunch, and M. Rampino, 2001: Impact event at the Permian - Triassic boundary: Evidence from extraterrestrial noble gases in fullerenes.
https://pubs.giss.nasa.gov/
The extreme temperatures and gas pressures in carbon stars are perhaps the only way extraterrestrial noble gases could be forced inside a fullerene, she explained.
Not exact matches
The stone's noble gas content supports an extraterrestrial origin, while the presence of tiny diamonds — larger than nanodiamonds found in a common kind of meteorite called chondrites, but similar in size to diamond aggregates known to be formed by impacts — supports a cometary origin.
The researchers know these particular Buckyballs are extraterrestrial because the noble gases trapped inside have an unusual ratio of isotopes, atoms whose nuclei have the same number of protons but different numbers of neutrons.