The first photo of the entire globe: 50 years on from Blue Marble
The Apollo 17 crew were on their way to the moon when the photograph was captured.
The Apollo 17 crew were on their way to the moon when the photograph was captured.
Unmanned module cruises past surface of the moon 50 years since last Apollo visit.
The shuttle broke apart during liftoff in 1986, killing all seven on board.
The space agency attempted the first test of its kind two weeks ago.
Crew also comprises Nicole Mann, the first Native American woman to orbit the world.
OPINION: Aerospace industry is worth $24 billion a year globally.
The mission will provide the first test of a technique that could be used in the future.
This is the third delay for the rocket launch since the lunar attempt was announced.