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First Stars: Mass

Illustration titled “Mass: First Stars Compared to the Sun” shows a balance (scale) with one large purple circle on the left bucket of the balance and 96 small orange circles on the right.

The first stars were probably tens to hundreds of times the mass of the Sun, but might have been a lot smaller than this.

  • Release Date
    February 22, 2019
  • Credit
    Image: NASA, ESA, CSA, STScI

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Last Updated
Aug 28, 2025
Contact
Media

Laura Betz
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
laura.e.betz@nasa.gov

Image Credit

NASA, ESA, CSA, STScI

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