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thick disk

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thick disk [¦thik ′disk]
(astronomy)
A component of the galactic stellar population that extends over distances up to 1500 parsecs from the galactic plane, and is approximately 9-10 × 109years old, intermediate in age between the thin disk and the halo.


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For all solder applications, the small block of Pb-free solder powder and flux is formed into a thick disk.
A spectrometer on Spitzer revealed that a thick disk of warm, micrometer-size dust particles surrounds the star, which has a mass and age similar to that of the sun.
Such elongated shapes are common when a thick disk of gas and dust forms a dense "waist" around a dying star.
 
 
 
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