What speed should a galaxy move with respect to us that the sodium line at 589.0 nm is observed at 589.6 nm? What speed should a galaxy move with respect to us that the sodium line at 589.0 nm is observed at 589.6 nm? October 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
