Re:New Evidence That All Stars Are Born in Pairs
by pavement on Friday June 16, 2017 @09:47PM
(#14573832)
...and RTFA borrows from the older RTFM (which of course pairs with TFM), and "M" indicating the Manual, or rather Instructions Manual, harkening back to the "man" command in Unix.
See: https://en.wikipedia.org/wiki/RTFM