rssMB to Astronomy MagazineEnglish · 22 hours agoWhat is the origin of the letters used in star classification?www.astronomy.comexternal-linkmessage-square1linkfedilinkarrow-up12arrow-down10file-text
arrow-up12arrow-down1external-linkWhat is the origin of the letters used in star classification?www.astronomy.comrssMB to Astronomy MagazineEnglish · 22 hours agomessage-square1linkfedilinkfile-text
minus-squareSarcasmo@piefed.sociallinkfedilinkEnglisharrow-up1·22 hours agoAll of the letters appear to come from the alphabet.
