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Headline: Breathtaking Image Shows RCW 38 Star Cluster In Its Infancy

Caption: **VIDEO AVAILABLE: CONTACT INFO@COVERMG.COM TO RECEIVE** The European Southern Observatory (ESO) has released a breathtaking 80-million-pixel image of the star cluster RCW 38, captured by the Visible and Infrared Survey Telescope for Astronomy (VISTA), based in Chile’s Atacama Desert. Situated approximately 5,500 light-years away in the constellation Vela, the RCW 38 stellar nursery is a vibrant display of light and colour. This mesmerising image reveals bright streaks and swirling gas, glowing pink hues, and clusters of multi-coloured young stars. Compared to our Sun—currently in a stable phase at 4.6 billion years old—the stars in RCW 38 are in their infancy, at under a million years old. Home to around 2,000 stars, this young cluster is an exciting target for astronomers keen to study stellar formation. Star clusters act as cosmic pressure cookers, brimming with dense gas clouds and thick cosmic dust—essential ingredients for star formation. When these materials collapse under their own gravity, new stars emerge. The intense radiation from these newborn stars illuminates the surrounding gas, creating the characteristic pink glow observed in RCW 38. However, many of the cluster’s stars remain hidden in visible light due to thick dust clouds obscuring our view. This is where the VISTA telescope at ESO’s Paranal Observatory plays a vital role. Its VIRCAM camera detects infrared light, which can penetrate dust more effectively than visible light, revealing previously unseen young stars, as well as cold ‘failed’ stars known as brown dwarfs. This remarkable infrared image was captured as part of the VISTA Variables in the Vía Láctea (VVV) survey, which has produced the most detailed infrared map of our galaxy to date. Surveys like this provide fresh insights into known celestial objects and help uncover previously unknown ones. Since this image was taken, VISTA’s long-serving VIRCAM camera—responsible for numerous imaging surveys since 2008—has been retired. Later this year, the telescope will be fitted with a new instrument, 4MOST, which will be capable of gathering the spectra of 2,400 celestial objects simultaneously across a vast area of the sky. With this upgrade, VISTA is poised for an exciting new chapter.

Keywords: star cluster, space, stars, science, astronomy, video, eso

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