How old was the universe when light from the most distant galaxies in the Hubble Ultra Deep Field was emitted?

A: 100,000 years.
B: 5 million years.
C: 10 billion years.
D: 400 million years.
E: 800 million years.


Answer: E: 800 million years.

Physics & Space Science

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The frequency of a certain wave is 10 hertz and its period is

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