Comment on

• Water vapour in the atmosphere of a transiting extrasolar planet.

  Tinetti G, Vidal-Madjar A, Liang MC, Beaulieu JP, Yung Y, Carey S, Barber RJ, Tennyson J, Ribas I, Allard N, Ballester GE, Sing DK, Selsis F. Tinetti G, et al. Nature. 2007 Jul 12;448(7150):169-71. doi: 10.1038/nature06002. Nature. 2007. PMID: 17625559
• The presence of methane in the atmosphere of an extrasolar planet.

  Swain MR, Vasisht G, Tinetti G. Swain MR, et al. Nature. 2008 Mar 20;452(7185):329-31. doi: 10.1038/nature06823. Nature. 2008. PMID: 18354477