The term is hardly ever used in astronomy - the Universe is not generally believed to be eternal in the past, and if it is eternal in the future, it will not be a ... meaningful existence, since after a while the Universe will not be able to support any life, and will in general become quite boring.If the term is ever needed, the same term will be used as in everyday life, i.e., "eternity".
educated guessI think infinity is a mathematical term, whereas eternity is a measurement of time.
You would say, "An eternity."
a eternity is a lifetime
Eternity is a noun.
infinity
Eternity - comics - was created in 1965.
And Eternity was created in 1990-01.
The ISBN of And Eternity is 978-0688086886.
From Her to Eternity was created in -1983-10.
The philosophical theory of eternity is the idea that time is a constant and unchanging aspect of reality. It suggests that past, present, and future all exist simultaneously, rather than time being a linear progression. This theory considers eternity to be a higher, unchanging reality beyond our temporal experience.
From Eternity to Here was created in 2010.
Fragile Eternity was created on 2009-04-21.