I just learned it on the radio on my way to work this morning.
The last sample reveals something about the surface of the moon.
The sample this time is from a big, deep hole created by a heavy hit which penetrated into the core of the moon, thus reveals the internals of the moon.
The last sample reveals something about the surface of the moon.
The sample this time is from a big, deep hole created by a heavy hit which penetrated into the core of the moon, thus reveals the internals of the moon.