Jul 14, 2019 Jul 14, 2019 Updated Jul 15, 2019 The late Alan Shepard of Derry became the fifth person to walk on the moon and at 47 the oldest ever, but his closest observers maintain this fierce ...

As many as 1000 man-made objects have been left behind on the moon since the 1950s. Some want to recycle the material, for others they represent a cultural asset worthy of protection.