Gum 10 Nebula: A Scarlet Cosmic Sea | European Southern Observatory
The energetic ultraviolet radiation from the hot blue stars in Gum 10 ionize the gas in the nebula, stripping electrons away from their atoms. When these electrons combine again with the atoms, they emit light at very specific colors or wavelengths. The red shade in this image comes from hydrogen, the most abundant element in the Universe. The dark areas are dense clouds of dust that partially block our view of the objects behind them.
This image, taken with the FORS2 instrument, was created as part of the ESO Cosmic Gems program, an outreach initiative to produce images of interesting, intriguing or visually attractive objects using ESO telescopes, for the purposes of education and public outreach. The program makes use of telescope time that cannot be used for science observations. All data collected may also be suitable for scientific purposes, and are made available to astronomers through ESO’s science archive.
Credit: European Southern Observatory (ESO)
Release Date: May 1, 2023
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