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Mid-IR Imaging Suggests Recent Collisions Around Beta Pictoris

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Daniel S. Burgess, Senior Editor

In the two decades since the Infrared Astronomical Satellite mission revealed the presence of a dust disk around Beta Pictoris, astronomers have turned to the main sequence star for clues to better comprehend how our own solar system came to be. Now an international team of scientists has used a mid-IR camera at the 8-m Gemini South telescope 9000 feet up in the Chilean Andes to collect images of what may be the remnants of a recent collision of planetesimals in the circumstellar disk. The disk of dust surrounding Beta Pictoris features an anomalous bright region in the mid-infrared...Read full article

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    Published: April 2005
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    astronomyBasic ScienceenergyFeaturesInfrared Astronomical Satellitemid-IR cameraSensors & Detectorssolar system

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