Which sentence is the correctly written simple sentence?

A.
The Great Barrier Reef can be seen from space, it is located in the Coral Sea.

B.
The Great Barrier Reef is in the Coral Sea and it can be seen from outer space.

C.
The Great Barrier Reef, located in the Coral Sea, can be seen from space.

D.
The Great Barrier Reef can be seen from space it is located in the Coral Sea.