Venus transit 2004: Illustrating the capability of exoplanet transmission spectroscopyP. Hedelt, R. Alonso, T. Brown, M. Collados Vera, H. Rauer, H. Schleicher, W. Schmidt, F. Schreier and R. TitzA&A, 533 (2011) A136DOI: https://doi.org/10.1051/0004-6361/201016237