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Key Points

2 points

1

It's two billion light years away from us.

2

The galaxy is making a 'bow shock' as it moves.

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Summary

It's special because it sends out strong radio signals.

This galaxy is moving very fast into a group of galaxies.

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New Words to Learn

2 words

supersonically

faster than the speed of sound

cluster environment

a group of galaxies close together

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