Thousands of people celebrated the 50th anniversary of the first moon landing around the world yesterday.
On 20th July 1969, the Eagle Module from Apollo 11 landed at Tranquility Base for the first time.
Neil Armstrong was the first person to walk on the moon.
Originally inspired by the US's Cold War rivalry with the Soviet Union, the mission is now remembered as an iconic moment for stargazers all over the world.
Nasa marked the anniversary by streaming footage of the launch online, giving a new generation a chance to see the historic moment that was watched by half a billion people 50 years ago.