original: I Elara did not receive its present name until 1975; before then, it was simply known as.
simplifications: I Elara did not receive its present name until 1975. Elara got its name in 1975; before then it was known as. Elara did not have this name until 1975. Elara didn't receive its name until 1975. I Elara only received that name in 1975. Before then, it was called. Elara did not receive its present name until 1975. Before, it was simply known as. Elara did not get its current name until 1975. Elara received its present name in 1975. Elara did not get its current name until 1975. I Elara was not given her current name until 1975; before that, she was simply known as.