strong>the first</strong> humans, Americans&nbsp;Neil Armstrong&nbsp;and&nbsp;Buzz Aldrin, on the Moon on July 20, <strong>1969</strong>, at 20:18 UTC. Armstrong became the first <strong>to step onto the</strong> lunar surface 6 hours later on July 21 at <strong>02:56</strong> UTC.</p>
	<p>Armstrong spent about&nbsp;<s>three and a half</s>&nbsp;two and a half hours <strong>outside the spacecraft</strong>, Aldrin slightly less; and together they collected 47.5 pounds (21.5&nbsp;kg) of lunar material for retu