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The material in the disk was analyzed in 2009 by Carey Lisse , of the Johns Hopkins University Applied Physics Laboratory in Laurel , MD using the infrared spectrometer on board the Spitzer Space Telescope , and the results of the Deep Impact and STARDUST comet missions .
 Johns Hopkins University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Johns Hopkins University