How many stars are in the universe?
system
How many stars are in the universe?
user
It's hard to say how many stars exist in a universe. The sun is one of the stars in the Milky Way, which is its galaxy. The Milky Way consists of at least one billion stars at any one time. According to NASA, the stars in our galaxy are thought to host their own family or families of planets. This is all subject to more investigation and calculation. The galaxy that we exist in is only one of billions in the universe. Each universe has billions of stars of its own. 

assistant
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<|user|>
How many stars are in the universe?</s>
<|assistant|>
It's hard to say how many stars exist in a universe. The sun is one of the stars in the Milky Way, which is its galaxy. The Milky Way consists of at least one billion stars at any one time. According to NASA, the stars in our galaxy are thought to host their own family or families of planets. This is all subject to more investigation and calculation. The galaxy that we exist in is only one of billions in the universe. Each universe has billions of stars of its own. 
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