what is a milky way galaxy
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The milky way galaxy is a massive cluster of stars which also contains our solar system. it is a big spiral galaxy with a super massive blackhole named sagittarius A star feeding on new stars forming in the centre .It contains about 1 billion stars.In about 30 trillion years it will merge with andromeda galaxy to form an even big galaxy which is moving towards it at the speed of 110km/sec.
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