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Astronomers Can Now Report That Active Star Formation Was Going

question 32

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Astronomers can now report that active star formation was going on at a time when the universe was only 20% as old as it is today. When astronomers make such a statement, how can they know what was happening inside galaxies way back then?


Definitions:

Tympanic Membrane

A thin, cone-shaped membrane that separates the external ear from the middle ear, also known as the eardrum.

Ear Pinna

The outer part of the ear that captures sound waves and channels them into the ear canal.

Sepsis

A life-threatening condition resulting from the body's response to an infection, leading to tissue damage, organ failure, and potentially death.

Axillary Temperature

Body temperature measured at the underarm or armpit area.

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