Fomalhaut
April 14, 2012
This image shows the infrared emission from the young star Fomalhaut and the dust disc surrounding it, as recorded with ESA's Herschel Space Observatory at a wavelength of 70 micron. To explain the emission from Fomalhaut's debris disc, astronomers invoke a steady production of dust particles via comet collisions, with an average rate of 2000 daily collisions between comets of one kilometer across or, alternatively, of 2 daily collisions between 10-kilometer-diameter comets.
Credits: ESA/Herschel/PACS/Bram Acke, KU Leuven, Belgium
Credits: ESA/Herschel/PACS/Bram Acke, KU Leuven, Belgium
Topics:
Disaster Accident, Environment, Environment, Disaster Accident, Technology Internet, Technology Internet, Castor Moving Group, Piscis Austrinus constellation, Circumstellar discs, Piscis Austrinus constellation, Astronomy, Stars, ESA, Herschel Space Observatory, Comet, Debris disk, Fomalhaut, Comet, Fomalhaut, Circumstellar discs, Castor Moving Group, ESA
