18.0.16: ch4wiu4theandromedashift Last updated Aug 21, 2021 Save as PDF 18.0.15: ch4pg3relativemotion 18.0.17: ch6pg2standardruler Page ID48079 Kim Coble, Kevin McLin, & Lynn CominskySan Francisco State University, Chico State University, & Sonoma State University ( \newcommand{\kernel}{\mathrm{null}\,}\) Loading 11%CounterclockwiseClockwiseIncorrect, review the spectra and try again.OKCorrect! Well Done!OK