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Radiation from giant stars can shape planet formation, study says

Scientists at the University of Cologne, Germany, discovered that radiation ultraviolet emitted by giant stars can change the way planetary systems form.

Seeking to discover how the Solar System was formed, scholars used information obtained from the James Webb Space Telescope (JWST) and the Atacama Large Millimeter Array (ALMA). They discovered that, depending on the mass of the starthey can help planets form or prevent them from dispersing their mass.

The study published in Science magazine analyzed the giant stars paperwith a mass up to 10 times greater than that of the Sun and 100 thousand times more luminous than the star of the Solar System, from a protoplanet, which is a “planet under construction”.

The star, which has the provisional name d203-506, is located in the Orion Nebula, a “cradle of stars”, the place where they are formed.

These stars, due to the intensity of the luminosity they emit, expose nearby planets to strong ultraviolet illumination.

“During their development process, young stars are surrounded by a protoplanetary disk of gas and dust in which planets can form. Stars generally form in clusters, and bright, high-mass stars radiate ultraviolet light into the disks around low-mass stars.” explained Keith T. Smith, editor of Science magazine.

This investigation helps the scientific community to take further steps forward in discoveries about the formation of planetary systems.

Source: CNN Brasil

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