SmartPotato1 SmartPotato1

28-10-2016
Biology

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What is a Galaxy ? the definition of Galaxy Please

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Аноним Аноним

28-10-2016

Galaxy is a collection of stars, gas, and dust bound together by gravity. The smallest galaxies may contain only a few hundred thousand stars, while the largest galaxies have thousands of billions of stars.

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albadranzainab5 albadranzainab5

28-10-2016

A Galaxy is a a system of millions and billions of stars, together with gas and dust, held together by gravitational attraction.

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