- Jet Propulsion Laboratory - 11 hours agoThe average number of planets per star is greater than one. Image credit: NASA/ESA/ESO Our Milky Way galaxy contains a minimum of 100 billion planets, ...493 related articlesHow many planets are in our galaxy? The line begins at 100 billion - Houston Chronicle (blog)
Study Shows Our Galaxy Has at Least 100 Billion Planets - NASA ...
www.jpl.nasa.gov/news/news.cfm?release=2012-01011 hours ago – Our Milky Way galaxy contains, on average, a minimum of one planet for every star, according to a new statistical study.
Thursday, January 12, 2012
100 Billion Planets in our Galaxy
Astronomers have calculated how many planets there are per star on average in our galaxy. Since there is an average of one planet per star throughout our galaxy and since we already know that there are about 100 billion stars in our galaxy, this means that there is approximately 100 billion planets in our galaxy. So, the probability of life is high on some of the other 100 billion planets in our galaxy.
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