You said : Journey to Mars 's core , go to Mars . Call them daredevils , explorers , neither or both . James Cameron jumped from the edge of space . Felix Baumgartner traveled to the ocean 's lowest depths . NASA official says a person could be on Earth in the next 20 to 30 years .
You said : Journey to Mars 's core , go to Mars . James Cameron jumped from the edge of space . Felix Baumgartner traveled to the ocean 's lowest depths . NASA official says a person could be on Earth in the next 20 to 30 years .