Technical Comments

Response to Comment on "Organics Captured from Comet 81P/Wild 2 by the Stardust Spacecraft"

Science  21 Sep 2007:
Vol. 317, Issue 5845, pp. 1680
DOI: 10.1126/science.1145013

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Caution must be taken in interpreting measurements of organics in Stardust samples. In particular, as noted in Sandford et al. and reinforced in the comment by Spencer and Zare, one component of Stardust organics, the low-mass polycyclic aromatic hydrocarbons seen diffusely along track surfaces, should be treated cautiously because they may be due to impact conversion of aerogel carbon.

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