<Tr> <Td> Rimae Posidonius </Td> <Td> 32 ° 00 ′ N 28 ° 42 ′ E ﻿ / ﻿ 32.0 ° N 28.7 ° E ﻿ / 32.0; 28.7 </Td> <Td> 70 km </Td> <Td> Named from nearby crater Posidonius </Td> </Tr> <Tr> <Td> Rimae Prinz </Td> <Td> 27 ° 00 ′ N 43 ° 00 ′ W ﻿ / ﻿ 27.0 ° N 43.0 ° W ﻿ / 27.0; - 43.0 </Td> <Td> 80 km </Td> <Td> Named from nearby crater Prinz </Td> </Tr> <Tr> <Td> Rimae Ramsden </Td> <Td> 33 ° 54 ′ S 31 ° 24 ′ W ﻿ / ﻿ 33.9 ° S 31.4 ° W ﻿ / - 33.9; - 31.4 </Td> <Td> 108 km </Td> <Td> Named from nearby crater Ramsden </Td> </Tr> <Tr> <Td> Rimae Repsold </Td> <Td> 50 ° 36 ′ N 81 ° 42 ′ W ﻿ / ﻿ 50.6 ° N 81.7 ° W ﻿ / 50.6; - 81.7 </Td> <Td> 166 km </Td> <Td> Named from nearby crater Repsold </Td> </Tr>

Which of these moon features makes it easily visible from the earth