Sentences with phrase «inert helium»
Abstract: From its surface properties it can be difficult to determine whether a red - giant star is in its helium - core - burning phase or only burning hydrogen in a shell around an inert helium core.
https://arxiv.org/
By contrast, fusion would produce no waste, just inert helium, and its fuel can be extracted from seawater.
Not exact matches
Almost the only elements present in interstellar space are hydrogen and helium — and the latter, being an inert or noble gas, is not a component of life in any form known to man.
Helium is a chemical element that has the symbol He, is colorless, odorless, tasteless, non-toxic, and nearly inert monatomic that heads the noble gas series in the periodic table.
Inert gases such as neon (Ne), helium (He), and krypton (Kr) and other constituents such as nitrogen oxides, compounds of sulfur, and compounds of ozone are found in lesser amounts.
The energy production now occurs in a thin shell where hydrogen is consumed and more helium added to a growing but inert core.
Eventually, gravitational compression again will cause the internal temperature until the hydrogen shell around the now inert core begins to fuse into helium, which settles into a middle layer.
Helium: A colorless, odorless, tasteless, non-toxic, inert gas.
Among the exhibition's highlights are two new site - specific window and wall pieces and the groundbreaking early works Electromagnetic Energy Field (1968), Closed Gallery (1969), Inert Gas Series: Helium (1969), Marcuse Piece (1972), and Invitation Piece (1972 — 73).