how many planets are in the milky way

“That means less than six billion stars may have Earth-like planets … Our galaxy, the Milky Way, is estimated to host about 100 billion planets most of which orbit a star. That means a minimum of one planet for every star in the Milky Way, on average. Just as we can only guess the number of planets in the Milky Way, estimates get even rougher as we move beyond our own galaxy. The most dramatic result from Kepler so far comes in two forms: one is the discovery that there are more small planets than large planets in our Milky Way Galaxy. In the near past, astronomers have discovered hundreds of planets in our galaxy, some of whom exhibit some Earth-like characteristics. Both studies used data from the Kepler space telescope, which located planets in the Milky Way from 2009 to 2018. The artist's concept also includes a new spiral arm, called the "Far-3 kiloparsec arm," discovered via a radio-telescope survey of gas in the Milky Way. That means, along with Two TRILLION galaxies in the "known" universe, statistically, WE ARE … This latter fact can be ascertained even though the H II regions cannot be seen clearly beyond a few thousand light-years from the Sun . There are almost certainly way more of the smaller planets, almost down to the size of the Earth, than planets the size of Neptune, Saturn or Jupiter. And scientists are hell-bent on finding which ones might harbor life. There could be as many as six billion "Earth-like" planets in the Milky Way galaxy, according to a new study. The Milky Way Galaxy The major arms consist of the highest densities of both young and old stars; the minor arms are primarily filled with gas and pockets of star-forming activity. A crude estimate would be to take the number of planets thought to be in the Milky Way and times it by 54, so this would be 54 times 400 billion, which makes an estimate of 21.6 trillion planets. It means that there should be a minimum of 1,500 planets within just 50 light-years of Earth. While there are more than 4,000 exoplanets in the Milky Way, astronomers say that the list of top contenders could host several factors that can support life. 300 Million potential planets in JUST the Milky Way! The Milky Way contains at least 100 billion planets. Our solar system comprises of the sun, eight planets and their moons, and several small solar system bodies. “Our Milky Way has as many as 400 billion stars, with seven per cent of them being G-type,” said co-author Matthews. This artist's illustration gives an impression of how common planets are around the stars in the Milky Way galaxy. Many of them are found at intermediate distances from the centre of the Milky Way Galaxy, with the largest number occurring at a distance of 10,000 light-years.

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