TY - JOUR T1 - On the Spectrum of the Great Nebula in Orion, and on the Motions of Some Stars towards or from the Earth JF - Proceedings of the Royal Society of London (1854-1905) VL - 20 SP - 379 EP - 394 PY - 1871/01/01/ UR - http://dx.doi.org/10.1098/rspl.1871.0074 M3 - doi:10.1098/rspl.1871.0074 AU - Huggins, W. ER -