Science

James Webb Space Telescope sees ‘ghostly’ interstellar light.

James Webb Space Telescope sees ‘ghostly’ interstellar light.

The first deep-field image of the cosmos taken by the James Webb Space Telescope (JWST) has allowed scientists to study the faint, almost ghostly light of orphan stars between galaxies in galactic clusters.

Not gravitationally bound to galaxies, these stars are pulled away from their homes and drifted into intergalactic space by the massive tidal forces generated between clustered galaxies. The light emitted by these orphan stars is called intracluster light, and it is so faint that it has only one percent of the brightness of the darkest visible sky. land.





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