There has been plenty of excitement in recent decades about planets detected orbiting various stars beyond our solar system. But planets provide an incomplete picture of the complex framework that exists around stars, leaving out components like the belts of rocky and icy debris orbiting our sun.
showing new details about such features around a luminous star called Fomalhaut in our own neighborhood of the Milky Way galaxy. These observations of three concentric dusty rings of debris orbiting Fomalhaut provide the fullest view to date of such structures outside our solar system.
These three belts appear to be populated by objects called planetesimals, some of which are thought to join together early in a star system's history to form planets while others remain as debris like asteroids and comets.
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