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Triple Stellar Evolution Epochs in NGC 2808

Triple Stellar Evolution Epochs in NGC 2808
A simplified version of the Hertzsprung-Russell diagram of the original Hubble data, this graph schematically plots the brightness of the stars in globular cluster NGC 2808 (along the vertical axis) against stellar color and temperature (along the horizontal axis). The cooler a star is, the redder it appears, and it diminishes in brightness. The bluer stars are to the left; redder stars are to the right. The brightest stars are near the top. The three curves represent the three different populations of stars that are present in NGC 2808.
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    NGC 2808
  • Release Date
    May 2, 2007
  • Science Release
    Hubble Finds Multiple Stellar ‘Baby Booms’ in a Globular Cluster
    Read the release
  • Credit
    NASA, ESA, and A. Feild (STScI)

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Related Images & Videos

Globular Cluster with Multiple Stellar Populations

Globular Cluster with Multiple Stellar Populations

This Hubble telescope image of a dense swarm of stars shows the central region of the globular cluster NGC 2808. Astronomers were surprised when Hubble spied three generations of cluster stars. The discovery is far different from the standard picture of a globular cluster. For...

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Last Updated
Mar 28, 2025
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Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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