" trụ bao nhiêu thiên hà?"

Translation:How many galaxies does the universe have?

January 27, 2017

3 Comments


https://www.duolingo.com/profile/_The_Undertaker_

Uncountable.

January 27, 2017

https://www.duolingo.com/profile/Rajabrahon12

Billion maybe ?

July 11, 2017

https://www.duolingo.com/profile/LiKenun

More than can be observed

February 21, 2018
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