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Fomalhaut News

Ring of star's dust created by trillions of comet collisions

Leuven - About 25 light-years away, there is a relatively youthful star named Fomalhaut that is twice the size of our sun and projects a ring of dust around it. Scientists have concluded that the dusty disc is formed by thousands of comet collisions each day.
 

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The star Fomalhaut and the belt of dust surrounding it  as seen in the far-infrared by the Herschel ...
The star Fomalhaut and the belt of dust surrounding it, as seen in the far-infrared by the Herschel Space Observatory. The ring of dust is created by the collision of thousands of comets every day.
ESA/Herschel/PACs
This view shows a new picture of the dust ring around the bright star Fomalhaut from the Atacama Lar...
This view shows a new picture of the dust ring around the bright star Fomalhaut from the Atacama Large Millimeter/submillimeter Array (ALMA). The underlying blue picture shows an earlier picture obtained by the NASA/ESA Hubble Space Telescope. The new ALMA image has given astronomers a major breakthrough in understanding a nearby planetary system and provided valuable clues about how such systems form and evolve. Note that ALMA has so far only observed a part of the ring.
ESA/Herschel/PACs

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