callthis33 callthis33

21-04-2020
SAT

contestada

What units are used when describing the length of time that the universe has been expanding?

Respuesta :

appleheart2002 appleheart2002

21-04-2020

Answer:

kilometers/second per million parsecs

Explanation:

It is sometimes called Hubble time

It is what astronomers use for the Hubble constant

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saipranavi2266 saipranavi2266

21-01-2021

Kilometres I think I’m not sure

Answer Link

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