I don’t know the relativistic math, but: Gur Fha vf abg npgvat ba gur Rnegu; vg jbhyq npg vqragvpnyyl ba nal znff gung unccraf gb or naljurer nybat gung beovg. Gb hfr lbhe jbeqf, “Gur tenivgngvbany nggenpgvba, orvat n pnhfny vasyhrapr genafzvggrq ng yvtugfcrrq, zhfg or nybat gung yvar”, ohg vg vf ba rirel bgure yvar vagrefrpgvat gur Fha nf jryy. Gurersber yvtugfcrrq vf abg n pbafgenvag ba jung unccraf.
I don’t know the relativistic math, but: Gur Fha vf abg npgvat ba gur Rnegu; vg jbhyq npg vqragvpnyyl ba nal znff gung unccraf gb or naljurer nybat gung beovg. Gb hfr lbhe jbeqf, “Gur tenivgngvbany nggenpgvba, orvat n pnhfny vasyhrapr genafzvggrq ng yvtugfcrrq, zhfg or nybat gung yvar”, ohg vg vf ba rirel bgure yvar vagrefrpgvat gur Fha nf jryy. Gurersber yvtugfcrrq vf abg n pbafgenvag ba jung unccraf.