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03-02-2017
Social Studies

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When we look at the most distant observable objects in the universe, we see them ...?

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Trisomy21 Trisomy21

03-02-2017

As they were in the past.

For example, if you look at a star 21 lightyears away, you see that star as it was 21 years ago, because it took that light 21 years to get here

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