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Table 1 The abundance of small molecules relative to water in comet Hale–Bopp as measured spectroscopically

From: Prebiotic Chemistry: What We Know, What We Don't

Compound Abundance
H2O 100
CO 23
CO2 6
CH3OH 2.4
H2CO 1.1
NH3 0.7
CH4 0.6
HCN 0.25
HCONH2 0.02
CH3CHO 0.02
  1. Adapted from Bockelée-Morvan et al. (2000)
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Evolution: Education and Outreach

ISSN: 1936-6434

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