The Economic Times

In 1972, Apollo 16 astronaut Charles Duke left a photo of his wife and two sons on the Moon with a touching message from Planet Earth that has remained there for more than 50 years

In 1972, Apollo 16 astronaut Charles Duke left a framed photo of his wife and two sons on the Moon, along with a touching message identifying his family as being from Planet Earth, creating one of the most personal and emotional mementos ever left on the lunar surface. He placed the framed picture of his wife and sons on the lunar soil and wrote 'Planet Earth' on the reverse side as a tribute to their origins.