What objects make up the majority of observable matter in galaxies?

Answer 1

Everything you see whether it's around you or through the hubble telescope 14 Billion years further..all accounts for roughly 5% of the universe.

Merely 5% of the universe is comprised of the observable universe, which includes our planet and all its inhabitants, every atom, stars, galaxies, quasars, planetary nebulae, protostars, and every subatomic particle within these objects. The remaining 28% and 68% of the universe are made up of Dark Matter and Dark Energy, respectively.

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Answer 2

Jonathan Avila

Stars and interstellar gas (mostly hydrogen and helium) make up the majority of observable matter in galaxies.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.