How many planets are in our galaxy?
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100 Billion Alien Planets Fill Our Milky Way Galaxy: Study. More exoplanets than expected in the first year of the Habitable Exoplanets Catalog. Image released Dec. 6, 2012. Our Milky Way galaxy is home to at least 100 billion alien planets, and possibly many more, a new study suggests
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Our milky way galaxy is a home for at least 100 billion alien planets. And possibly many more, but till now according to NASA research 100 billion planets are known to us.
A famous author Jonathan Swift said in the statement, "Basically there's one of these planets per stars." Swift and his colleague have concluded after studying about the five-planet system called kepler-32. Which lies about 915 light years from earth.
The kepler-32 planets which are known stars are actually smaller and cooler than our SUN.
Over all, 100 billion planets in our milky way galaxy are stars.