Sentences with phrase «same noble gases»
Not exact matches
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.
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A few of those gases (basically the noble gases: argon, krypton, neon, and xenon) had the same relative abundances as those found in Mars» atmosphere in 1976.