Jun 12

Small Planets don't need Stars with heavy metal content to form

Source: NASA Kepler

Artist's impression of planet formation.
Image credits: Credit: University of Copenhagen/Lars Buchhave .

The formation of small worlds like Earth previously was thought to occur mostly around stars rich in heavy elements such as iron and silicon. However, new ground-based observations, combined with data collected by NASA's Kepler space telescope, shows small planets form around stars with a wide range of heavy element content and suggests they may be widespread in our galaxy.(read more)

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